Raw silk (not thrown)

Raw silk (not thrown): This PCR covers foreground production of continuous raw silk made by collectively reeling cocoon filaments and leaving the resulting silk…

Lifecycle status: Candidate
Content maturity: Authored methodology
Current version: No published version
Readiness: Review required
Last updated: 2026-09-02

Methodology and translation states come from the source record; publishing this website does not change their review status.

Content languages

zh-CN · Aligned

Status, classification and source details

Readiness

Warnings methodology_not_reviewed Authored methodology is candidate guidance and still requires methodology review.

Classification mapping

CPC 3.0:26110 · exact

Source

library/pcrs/food-products-beverages-and-tobacco-textiles-apparel-and-leather-products/yarn-and-thread-woven-and-tufted-textile-fabrics/raw-silk-not-thrownsha256:b36e329f844f…

1. Scope and Applicability

This PCR covers foreground production of continuous raw silk made by collectively reeling cocoon filaments and leaving the resulting silk unthrown. The reference product retains its declared sericin condition and is delivered as a marketable skein, hank, or cone. The foreground reporting unit begins with marketable fresh cocoons or dried/stifled cocoons received at the filature and ends with conditioned, tested, packed raw silk at the filature gate.

The PCR applies to mulberry and non-mulberry cocoon routes only when the silkworm species or commercial fibre type is declared. It supports hand, sitting-type, multi-end, semi-automatic, and automatic reeling, but these technologies shall be modelled as separate routes. Fresh-cocoon and dried-cocoon starting conditions, direct and indirect reeling, optional re-reeling, and any chemical cocoon treatment shall also be declared and kept separate. A weighted result may be reported only from documented production shares after each route has first been calculated independently.

The scope excludes silkworm rearing and mulberry cultivation except through an upstream cocoon dataset; transport before the declared filature gate unless included in that upstream dataset; thrown or twisted silk; spun silk and yarn made from silk waste; degumming; dyeing; weaving; knitting; textile finishing; garment manufacture; use; and end of life. Doupion or other specialty reeled silk may use this PCR only when it remains unthrown and its cocoon type, filament size, reeling conditions, and market specification are separately declared. Pierced cocoons converted by spinning are outside scope.

Tiangong product flow 343df125-d682-4ffa-8829-5fbc785bdbc9 was verified by direct record read as version 01.01.001, state_code=100, a Product flow, CPC 26110, with Mass as its reference flow property. It supports the exact product identity “Raw Silk” only. It does not establish silkworm species, cocoon condition, production route, grade, moisture basis, geography, technology, or any inventory amount; those facts remain mandatory foreground declarations.

2. Product Category Identity

Field	Value
canonical_pcr_id	`pcr.food-products-beverages-and-tobacco-textiles-apparel-and-leather-products.yarn-and-thread-woven-and-tufted-textile-fabrics.raw-silk-not-thrown`
classification_refs	CPC 3.0 `26110` Raw silk (not thrown), exact semantic reference; classification is not the canonical PCR identity
covered_products	Continuous raw silk reeled from declared mulberry or non-mulberry cocoons; unthrown; sericin condition declared; supplied in a declared skein, hank, or cone form
excluded_products	Thrown or twisted silk; spun silk and silk-waste yarn; degummed silk unless separately modelled downstream; dyed or woven silk; pierced-cocoon spun products; synthetic or regenerated fibres
representative_product	Conditioned, marketable raw silk (not thrown) from one declared cocoon species and one declared filature route
production_route	Received fresh or dried/stifled cocoons; conditional stifling/drying and storage; sorting; cocoon cooking and end finding; route-specific reeling; conditional re-reeling and finishing; conditioning, testing, packing; residual management
market_state	Unthrown raw silk at filature gate, with package form, nominal linear density, quality grade/test method, sericin or boil-off condition, and commercial moisture basis declared

3. Reference Flow

Field	Value
What	Supply of raw silk filaments cohered by residual sericin and not subjected to throwing or twisting
How much	1 kg of conditioned net raw silk, excluding packaging
How well	Meets the declared contract or standard for species/fibre type, nominal linear density, package form, quality grade and test method, defect/evenness class where applicable, and sericin or boil-off condition
How long or cycle	One production lot at the filature gate; no use duration is assigned to this intermediate product
reference_flow_link	The functional unit is realized by exactly 1 kg of the Tiangong Raw Silk product flow on the declared commercial moisture basis

Field	Value
Reference amount	1 kg conditioned net raw silk (not thrown)
Reference product flow	Raw Silk `343df125-d682-4ffa-8829-5fbc785bdbc9`
Reference flow property	Mass `93a60a56-a3c8-11da-a746-0800200b9a66`
Reference unit group	Units of mass `93a60a57-a4c8-11da-a746-0800200c9a66`
Reference unit	kg
Required qualifiers	silkworm species or commercial fibre type; mulberry or non-mulberry route; fresh or dried/stifled cocoon starting condition; hand, sitting, multi-end, semi-automatic, or automatic reeling technology; direct or indirect reeling; re-reeling included or excluded; package form; nominal linear density and unit; quality grade and test method; sericin/boil-off condition; agreed commercial moisture regain or dry-mass conversion; geography; reference year; allocation method

When constructing a foreground data package, every required qualifier shall be declared in dataset metadata, process notes, the reference-flow comment, the product description, or an equivalent data-package field. Missing qualifiers make the reference-flow definition incomplete. The Tiangong identity must not be interpreted as supplying any missing qualifier.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
`reference_conditioned_mass`	Reference raw silk	Mass `93a60a56-a3c8-11da-a746-0800200b9a66`	kg	Report 1 kg net raw silk at the declared commercial moisture regain. Retain gross mass, tare, oven-dry mass or measured moisture, conditioning conditions, and calculation. An 11% regain may be used only when the applicable contract or test specification explicitly adopts the FAO handbook basis; it is not an unconditional default.
`cocoon_condition_mass`	Fresh and dried/stifled cocoon inputs	Mass	kg	Keep fresh-cocoon and dried-cocoon masses in separate fields. Record measured moisture or the supplier-declared state and never combine the two without a documented dry-matter conversion.
`linear_density_declaration`	Reference raw silk quality	Linear density	dtex or denier	Declare the method and result. ISO 21046:2018 may be used for silk yarn size; if denier is converted, use `1 denier = 1.111... dtex` and retain the original reported unit.
`utility_energy_preservation`	Electricity, steam, heat, and fuels	Energy or fuel-specific property	kWh, MJ, kg, or m3 as measured	Preserve measured energy carrier and unit. Convert only with a documented factor and do not merge electricity, purchased steam, and on-site fuel before their separate inventories are complete.
`water_balance_basis`	Cooking, reeling, re-reeling, and treatment water	Mass or volume with density	kg or m3	Record withdrawal, internally recirculated water, discharge, evaporation, water in outputs, and other losses separately. Do not count recirculated water as a new withdrawal.
`net_packaging_exclusion`	Reference product and packaging	Mass	kg	The reference amount excludes packaging. Record packaging by material and measured mass as a separate product input.

5. System Boundary

Boundary Abstraction

Field	Value
declared_starting_condition	Marketable fresh cocoons or dried/stifled cocoons received at the filature gate, with species/fibre type, moisture or condition, supplier, origin, transport inclusion, and whether stifling/drying occurred upstream declared
starting_condition_role	Upstream cocoon product input to the raw-silk filature foreground system
product_classification_scope	Raw silk (not thrown); excludes thrown, spun, degummed, dyed, woven, knitted, and finished textile products
recursive_input_rule	Purchased raw silk of this same category used for blending or finishing shall be recorded as a separate input with an upstream dataset and shall not recursively invoke this foreground PCR as though it were internally produced
upstream_dataset_requirement	Each cocoon input shall link to a geographically, temporally, species-, rearing-, and starting-condition-representative upstream dataset. Supplier stifling/drying and inbound transport shall be included upstream or added explicitly, with no gap or double count.
disclosure	Declare cocoon species/type, fresh or dried basis, reeling technology, direct/indirect route, re-reeling, package form, grade/test method, moisture basis, geography, period, capacity utilization, treatment route, and allocation choices

rule_id	Applies to	Rule	source_ids
`sb_route_separation`	All foreground modelling	Calculate each species/fibre type, cocoon starting condition, and reeling technology separately. Combine only with documented production shares after route-level inventories are complete; do not use an unconditional category average.	`fao-silk-reeling-testing-1999`
`sb_cocoon_upstream`	Cocoon supply	Stop the foreground boundary at the declared filature-gate cocoon input and require an upstream cocoon dataset covering rearing and any supplier stifling/drying. Add inbound transport explicitly if absent upstream.	`eu-pef-2021-2279`
`sb_filature_operations`	Filature	Include sorting, any on-site stifling/drying/storage, cooking, end finding, reeling, applicable re-reeling/finishing, conditioning/testing/packing, internally attributable utilities, water, wastewater, direct emissions, wastes, and co-products.	`fao-silk-reeling-testing-1999`; `eu-txt-bref-2023`
`sb_downstream_exclusions`	Reference product	Exclude throwing/twisting, degumming, dyeing, weaving, finishing, garment manufacture, use, and end of life; disclose any deviation as a separate downstream module rather than relabelling it raw silk production.	`un-cpc-3-0-26110`; `fao-silk-reeling-testing-1999`
`sb_capital_goods`	Infrastructure and equipment	Exclude capital goods from the default foreground package unless required by the intended downstream method. If included, disclose lifetime, utilization, and allocation and keep the result distinguishable.	`eu-pef-2021-2279`

6. Process Inventory Structure

Each flow card represents one named material, energy carrier, product, co-product, waste, wastewater, or emission. Select mutually exclusive route rows by applicability and never merge them into category flows. Add and foreground-map one named atomic row for any actual energy carrier, chemical, refrigerant, or packaging material not listed here.

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
`cocoon_receipt_preparation`	Cocoon receipt, weighing, and sorting	`required`	Always	Foreground process	per 1 kg conditioned net raw silk
`cocoon_stifling_drying`	Cocoon stifling, drying, and storage	`conditional`	Fresh cocoons are treated on site	Foreground process	per 1 kg conditioned net raw silk
`cocoon_cooking_reeling`	Cocoon cooking, end finding, and raw-silk reeling	`required`	Always; one declared route	Foreground process	per 1 kg conditioned net raw silk
`raw_silk_rereeling_finishing`	Raw-silk re-reeling and skein finishing	`conditional`	Indirect route or package requires it	Foreground process	per 1 kg conditioned net raw silk
`conditioning_testing_packing`	Conditioning, testing, weighing, and packing	`required`	Always	Foreground process	per 1 kg conditioned net raw silk
`onsite_wastewater_treatment`	On-site raw-silk wastewater treatment	`conditional`	Wastewater is treated on site	Foreground process	per 1 kg conditioned net raw silk

Process: Cocoon receipt, weighing, and sorting (`cocoon_receipt_preparation`)

Inputs

Product flows

Fresh mulberry silkworm cocoons (`fresh_mulberry_cocoons`)

Applicability: Fresh mulberry route.

Flow name: Fresh mulberry silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Fresh mulberry silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_receipt
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_receipt
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999
Range: Evidence screening range
- Range role: QA guardrail (qa_guardrail)
- Lower: 5.0
- Upper: 8.34
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: External source (external_source)
- Sources: fao-silk-reeling-testing-1999

Dried mulberry silkworm cocoons (`dried_mulberry_cocoons`)

Applicability: Dried mulberry route.

Flow name: Dried mulberry silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Dried mulberry silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_receipt
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_receipt
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999
Range: Evidence screening range
- Range role: QA guardrail (qa_guardrail)
- Lower: 2.1
- Upper: 4.4
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: External source (method_formula)
- Sources: fao-silk-reeling-testing-1999

Dried Tasar silkworm cocoons (`dried_tasar_cocoons`)

Applicability: Tasar continuous-filament route.

Flow name: Dried Tasar silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Dried Tasar silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_receipt
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_receipt
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999

Dried Muga silkworm cocoons (`dried_muga_cocoons`)

Applicability: Muga continuous-filament route.

Flow name: Dried Muga silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Dried Muga silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_receipt
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_receipt
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999

Grid electricity for receipt and sorting (`receipt_electricity`)

Applicability: Metered sorting equipment is used.

Flow name: Grid electricity for receipt and sorting
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Electricity 890a70b7-b677-4e2a-8a1b-7d017e0a10ae
UUID status: confirmed — flow-hybrid-search match verified by Tiangong flow get on 2026-08-12: state_code=100, Product flow, Net calorific value / kWh, version 22.00.000
Flow property / unit: Energy / kWh
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_receipt
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_receipt
Source ID or status: foreground protocol; UUID unresolved
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 50
- Unit: kWh/kg relevant output
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Waste flows

No atomic flow of this type is prescribed; record any actual flow as a named atomic row.

Elementary flows

No atomic flow of this type is prescribed; record any actual flow as a named atomic row.

Outputs

Product flows

Saleable double cocoons (`double_cocoons_product`)

Applicability: Sold or transferred for doupion production.

Flow name: Saleable double cocoons
Direction: outputs (outputs)
Flow type: Product (product)
Selected flow: Saleable double cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_receipt
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_receipt
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999

Waste flows

Pierced cocoon waste (`pierced_cocoon_waste`)

Applicability: No product destination exists.

Flow name: Pierced cocoon waste
Direction: outputs (outputs)
Flow type: Waste (waste)
Selected flow: Pierced cocoon waste
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_receipt
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_receipt
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Mould-damaged cocoon waste (`mould_damaged_cocoon_waste`)

Applicability: No product destination exists.

Flow name: Mould-damaged cocoon waste
Direction: outputs (outputs)
Flow type: Waste (waste)
Selected flow: Mould-damaged cocoon waste
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_receipt
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_receipt
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Elementary flows

No atomic flow of this type is prescribed; record any actual flow as a named atomic row.

Process: Cocoon stifling, drying, and storage (`cocoon_stifling_drying`)

Inputs

Product flows

Fresh mulberry silkworm cocoons (`fresh_mulberry_cocoons_to_dryer`)

Applicability: Named fresh-cocoon route is dried on site.

Flow name: Fresh mulberry silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Fresh mulberry silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999

Fresh Tasar silkworm cocoons (`fresh_tasar_cocoons_to_dryer`)

Applicability: Named fresh-cocoon route is dried on site.

Flow name: Fresh Tasar silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Fresh Tasar silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999

Fresh Muga silkworm cocoons (`fresh_muga_cocoons_to_dryer`)

Applicability: Named fresh-cocoon route is dried on site.

Flow name: Fresh Muga silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Fresh Muga silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999

Natural gas for cocoon dryer (`dryer_natural_gas`)

Applicability: Named carrier is actually consumed.

Flow name: Natural gas for cocoon dryer
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Gaseous natural gas 4f19ca0e-7b3b-11dd-ad8b-0800200c9a66
UUID status: confirmed — flow-hybrid-search match verified by Tiangong flow get on 2026-08-12: state_code=100, Product flow, Volume / m3, version 01.01.001
Flow property / unit: Volume / m3
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: foreground protocol; UUID unresolved
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 20
- Unit: m3/kg relevant output
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Liquefied petroleum gas for cocoon dryer (`dryer_lpg`)

Applicability: Named carrier is actually consumed.

Flow name: Liquefied petroleum gas for cocoon dryer
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: LPG d54ae71a-1245-4e3f-b694-dbf2b22bbf7d
UUID status: confirmed — flow-hybrid-search match verified by Tiangong flow get on 2026-08-12: state_code=100, Product flow, Mass / kg, version 01.01.000
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: foreground protocol; UUID unresolved
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg relevant output
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Diesel for cocoon dryer (`dryer_diesel`)

Applicability: Named carrier is actually consumed.

Flow name: Diesel for cocoon dryer
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Diesel oil 9d258d75-6792-4f1c-9856-81602ed8f816
UUID status: confirmed — flow-hybrid-search match verified by Tiangong flow get on 2026-08-12: state_code=100, Product flow, Mass / kg, version 01.01.002
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: foreground protocol; UUID unresolved
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg relevant output
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Grid electricity for cocoon dryer (`dryer_electricity`)

Applicability: Named carrier is actually consumed.

Flow name: Grid electricity for cocoon dryer
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Electricity 890a70b7-b677-4e2a-8a1b-7d017e0a10ae
UUID status: confirmed — flow-hybrid-search match verified by Tiangong flow get on 2026-08-12: state_code=100, Product flow, Net calorific value / kWh, version 22.00.000
Flow property / unit: Energy / kWh
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: foreground protocol; UUID unresolved
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 50
- Unit: kWh/kg relevant output
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Waste flows

No atomic flow of this type is prescribed; record any actual flow as a named atomic row.

Elementary flows

No atomic flow of this type is prescribed; record any actual flow as a named atomic row.

Outputs

Product flows

Dried mulberry silkworm cocoons (`dried_mulberry_cocoons_output`)

Applicability: Named species is dried on site.

Flow name: Dried mulberry silkworm cocoons
Direction: outputs (outputs)
Flow type: Product (product)
Selected flow: Dried mulberry silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999

Dried Tasar silkworm cocoons (`dried_tasar_cocoons_output`)

Applicability: Named species is dried on site.

Flow name: Dried Tasar silkworm cocoons
Direction: outputs (outputs)
Flow type: Product (product)
Selected flow: Dried Tasar silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999

Dried Muga silkworm cocoons (`dried_muga_cocoons_output`)

Applicability: Named species is dried on site.

Flow name: Dried Muga silkworm cocoons
Direction: outputs (outputs)
Flow type: Product (product)
Selected flow: Dried Muga silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999

Waste flows

Overheated cocoon waste (`overheated_cocoon_waste`)

Applicability: Overheating creates non-recoverable cocoons.

Flow name: Overheated cocoon waste
Direction: outputs (outputs)
Flow type: Waste (waste)
Selected flow: Overheated cocoon waste
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Storage-mould cocoon waste (`storage_mould_cocoon_waste`)

Applicability: Storage damage occurs.

Flow name: Storage-mould cocoon waste
Direction: outputs (outputs)
Flow type: Waste (waste)
Selected flow: Storage-mould cocoon waste
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Elementary flows

Carbon dioxide, fossil, to air (`dryer_carbon_dioxide_fossil`)

Applicability: On-site dryer combustion emits this pollutant.

Flow name: Carbon dioxide, fossil, to air
Direction: outputs (outputs)
Flow type: Elementary (elementary)
Selected flow: Carbon dioxide, fossil 08a91e70-3ddc-11dd-923d-0050c2490048
UUID status: confirmed — flow-hybrid-search match verified by Tiangong flow get on 2026-08-12: state_code=100, Elementary flow, Mass / kg; air unspecified, version 03.00.004
Flow property / unit: Mass / kg
Amount rule: measured value, or atomic activity amount multiplied by a separately identified current factor
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: requires foreground factor selection
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Methane to air (`dryer_methane`)

Applicability: On-site dryer combustion emits this pollutant.

Flow name: Methane to air
Direction: outputs (outputs)
Flow type: Elementary (elementary)
Selected flow: Methane, fossil 08a91e70-3ddc-11dd-9610-0050c2490048
UUID status: confirmed — flow-hybrid-search match verified by Tiangong flow get on 2026-08-12: state_code=100, Elementary flow, Mass / kg; air unspecified, version 03.00.004
Flow property / unit: Mass / kg
Amount rule: measured value, or atomic activity amount multiplied by a separately identified current factor
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: requires foreground factor selection
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Dinitrogen monoxide to air (`dryer_dinitrogen_monoxide`)

Applicability: On-site dryer combustion emits this pollutant.

Flow name: Dinitrogen monoxide to air
Direction: outputs (outputs)
Flow type: Elementary (elementary)
Selected flow: Dinitrogen monoxide 08a91e70-3ddc-11dd-94c3-0050c2490048
UUID status: confirmed — flow-hybrid-search match verified by Tiangong flow get on 2026-08-12: state_code=100, Elementary flow, Mass / kg; air unspecified, version 03.00.004
Flow property / unit: Mass / kg
Amount rule: measured value, or atomic activity amount multiplied by a separately identified current factor
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: requires foreground factor selection
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Nitrogen dioxide to air (`dryer_nitrogen_dioxide`)

Applicability: On-site dryer combustion emits this pollutant.

Flow name: Nitrogen dioxide to air
Direction: outputs (outputs)
Flow type: Elementary (elementary)
Selected flow: Nitrogen dioxide 08a91e70-3ddc-11dd-96e5-0050c2490048
UUID status: confirmed — flow-hybrid-search match verified by Tiangong flow get on 2026-08-12: state_code=100, Elementary flow, Mass / kg; air unspecified, version 03.00.004
Flow property / unit: Mass / kg
Amount rule: measured nitrogen dioxide mass, or measured NOx expressed as nitrogen dioxide equivalent, or atomic activity amount multiplied by a separately identified current nitrogen-dioxide-equivalent factor
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: requires foreground factor selection
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Sulfur dioxide to air (`dryer_sulfur_dioxide`)

Applicability: On-site dryer combustion emits this pollutant.

Flow name: Sulfur dioxide to air
Direction: outputs (outputs)
Flow type: Elementary (elementary)
Selected flow: Sulfur dioxide to air
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; reviewed sulfur-dioxide candidates lacked the required air-unspecified compartment; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured value, or atomic activity amount multiplied by a separately identified current factor
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: requires foreground factor selection
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Particulate matter, ≤10 µm, to air (`dryer_pm10`)

Applicability: On-site dryer combustion emits this pollutant.

Flow name: Particulate matter, ≤10 µm, to air
Direction: outputs (outputs)
Flow type: Elementary (elementary)
Selected flow: Particulate matter, ≤10 µm, to air
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; reviewed PM10 candidates required an undeclared stack/air subcompartment; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured value, or atomic activity amount multiplied by a separately identified current factor
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cocoon_drying
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cocoon_drying
Source ID or status: requires foreground factor selection
Range: Provisional screening estimate
- Range role: Default estimate (default_estimate)
- Lower: 0
- Upper: 10
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: Reasoned estimate (reasoned_estimate)

Process: Cocoon cooking, end finding, and raw-silk reeling (`cocoon_cooking_reeling`)

Inputs

Product flows

Fresh mulberry silkworm cocoons (`fresh_mulberry_cocoons_to_reeling`)

Applicability: Only the named mutually exclusive route.

Flow name: Fresh mulberry silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Fresh mulberry silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Foreground record (foreground_record)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Collected record (collected_record)
Collection protocol: cp_cooking_reeling
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cooking_reeling
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999
Range: Evidence screening range
- Range role: QA guardrail (qa_guardrail)
- Lower: 5.0
- Upper: 8.34
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: External source (external_source)
- Sources: fao-silk-reeling-testing-1999

Dried mulberry silkworm cocoons (`dried_mulberry_cocoons_to_reeling`)

Applicability: Only the named mutually exclusive route.

Flow name: Dried mulberry silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Dried mulberry silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cooking_reeling
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cooking_reeling
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999
Range: Evidence screening range
- Range role: QA guardrail (qa_guardrail)
- Lower: 2.1
- Upper: 4.4
- Unit: kg/kg conditioned raw silk
- Basis: screening only; replace with route-specific measurement
- Basis kind: Reference flow (reference_flow)
- Evidence kind: External source (method_formula)
- Sources: fao-silk-reeling-testing-1999

Dried Tasar silkworm cocoons (`dried_tasar_cocoons_to_reeling`)

Applicability: Only the named mutually exclusive route.

Flow name: Dried Tasar silkworm cocoons
Direction: inputs (inputs)
Flow type: Product (product)
Selected flow: Dried Tasar silkworm cocoons
UUID status: unresolved — flow-hybrid-search completed 2026-08-12; no exact candidate survived direct flow-get verification of material/state, flow type, reference property/unit, and route or receiving-medium qualifiers; requires foreground mapping
Flow property / unit: Mass / kg
Amount rule: measured by homogeneous route and lot; never merged with another row
Value mode: Calculated value (calculated_value)
Specificity: Route-specific (route_specific)
Normalization basis: per 1 kg conditioned net raw silk from the same route
Basis kind: Reference flow (reference_flow)
Evidence kind: Calculated from collection (calculated_from_collection)
Collection protocol: cp_cooking_reeling
Range or uncertainty: no universal default; report measurement, sampling, or factor uncertainty.
Data source ID: cp_cooking_reeling
Source ID or status: fao-silk-reeling-testing-1999
Sources: fao-silk-reeling-testing-1999