{ "schema_version": 1, "id": "pcr.other-transportable-goods-except-metal-products-machinery-and-equipment.rubber-and-plastics-products.compression-sintered-virgin-ptfe-flat-gaskets", "version": "0.1.0", "title": { "en-US": "Cold-compressed and freely sintered virgin PTFE flat gasket manufacture", "zh-CN": "冷压自由烧结原生PTFE平垫密封件制造" }, "status": "candidate", "pcr_kind": "product_category_rule", "content_maturity": "authored_methodology", "updated_at_utc": "2026-10-20T14:08:50.206Z", "domains": [ "other-transportable-goods-except-metal-products-machinery-and-equipment" ], "modules": { "core": [ "pcr-minimum-content", "unit-of-analysis", "reference-flow", "inventory-flow-taxonomy", "system-boundary", "allocation", "data-quality", "validation-rules" ] }, "target_entities": [ "flow", "process", "lifecyclemodel", "dataset" ], "languages": { "canonical": "en-US", "available": [ "en-US", "zh-CN" ] }, "translation_status": { "zh-CN": "aligned" }, "classification_refs": [ { "system": "CPC", "version": "3.0", "code": "36990", "title": "Articles of plastics n.e.c.", "mapping_type": "narrower" } ], "review_metadata": { "scientific_review": "pending", "translation_review": "pending", "mapping_review": "accepted narrower association; canonical authority: classifications/mappings/cpc-3.0-to-pcr.yaml; decision: docs/adr/0434-accept-direct-machined-virgin-ptfe-flat-gaskets.md; scientific/translation review and publication remain separate", "publication": "not_requested", "inventory_contract": { "atomic_flows": "v1", "localized_flow_names": "tiangong_zh_v1" }, "semantic_boundary_review": { "decision": "new_narrow_candidate", "rationale": "One-piece industrial unfilled PTFE flat gasket from conventional granular powder by cold compression, electric free sintering, controlled cooling and direct dry machining. Distinct from sheet/film production, injection polymer articles, vulcanized elastomers and metal/composite gaskets. Residual classification alone does not justify identity." }, "native_identity_caveats": [ "Sealing elements native generic at-plant CN assembly-use name has rubber36270 classification but no hard rubber material/CAS/route requirement; restricted to one qualified PTFE gasket in full consumer context, not automatic mapping.", "TFE CAS116-14-3 monomer has misleading PTFE/polymer synonyms; never used for polymer particulate9002-84-0.", "Electricity native property is Net calorific value with MJ; limited to CN below1kV grid-average user-side supply. Air-species identities are air-unspecified, not arbitrary known subcompartments." ], "ordinary_data_gaps": [ "Actual supplier grade/particle form/application compatibility, route programme, quantities, moisture, speciation, inventories/vectors and service coverage require foreground collection. No invented values or automatic scientific approval.", "Unbound auxiliary exchange identities remain physically specific and must be verified before concrete dataset finalization; missing identity is not a cut-off." ], "true_core_holds": [], "unresolved_flow_identities": [ { "row_id": "powder_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "cof2", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "turnings", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "reject", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "dust", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "water", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "hydraulic_oil", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "gear_oil", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "air", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "r134a", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "filter", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "water_return", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "r134a_recovered", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "oil_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "gear_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "bleed", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "condensate", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "filter_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "r134a_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "r134a_leak", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "press_equipment", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "press_equipment_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "oven_equipment", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "oven_equipment_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "lathe_equipment", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "lathe_equipment_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "drum_in", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "drum_out", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "drum_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "liner_in", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "liner_out", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "liner_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "carton_in", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "carton_out", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "carton_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "bag_in", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "bag_out", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "bag_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "tape_in", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "tape_out", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "tape_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "pallet_in", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "pallet_out", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "pallet_waste", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." }, { "row_id": "freight", "reason": "Specific atomic exchange retained without UUID. Verify actual supplied/used state, provider, composition/compartment, type, every native property and exact referenced unit chain before binding. Bounded actual query retained in external evidence; failure is not no-hit." } ], "source_limitations": [ "Complementary industrial sources are a transparent synthesis, not one contemporary SKU/order/factory.", "Source example charts/programmes/performance and machinery packaging are not transferred to gasket amounts or packaging.", "Science and translation approval remain pending; no mapping/publication authorized." ], "independent_measurement_clarification": "Physical whole-machine acquisition/retirement counts and allocated per-exchange service burdens are distinct linked views; no service fraction reduces real acquisition/retained units. First-release Q includes closing FG with assigned production vectors; prior FG and incremental services retain original Q. Spent/leaked charge is not automatically an unused burden transfer; correct measured consumption or vectors once.", "native_hcl_decision": "fe0acd60-3ddc-11dd-aab0-0050c2490048 exact public100 03.00.004, Elementary/Mass03.00.003/exact mass group03.00.003/kg, official ZH氯化氢; air unspecified only. Actual chlorine precursor and HCl speciation/amount remain required; no pure-PTFE chlorine inferred.", "atmospheric_oxygen_identity": "Independently measured conditional ordinary O2 uptake only: CAS7782-44-7 Elementary Resource from air, Mass/kg; no emitted oxygen, bought gas, fixed atmosphere fraction or inferred reaction extent. Gross carrier/species/phase observations remain separate. Scientific review pending." } }