--- type: "product_component" title: "High-Density Polyethylene (HDPE) Resin" industry: "Plastics in Primary Forms Manufacturing" verification_protocol: urn: "URN:CNFX:ME:HIGH_DENSITY_POLYETHYLENE_HDPE_RESIN" data_integrity_hash: "60ba59102b7f109eb171a41b5b22f7d2" source_authority: "https://cnfx.com" strict_mode: true source_identity: provider: "CNFX Industrial Knowledge Graph" index_version: "2026.Q1-Universal" authority_id: "URN:CNFX:ME:HIGH_DENSITY_POLYETHYLENE_HDPE_RESIN" data_source_uri: "https://cnfx.com/llms/industry/plastics-primary-forms-manufacturing/product/high-density-polyethylene-hdpe-resin.md" official_resource_url: "https://cnfx.com/industry/plastics-primary-forms-manufacturing/product/high-density-polyethylene-hdpe-resin" is_verified_logic: true attributes: density: status: "config-dependent" typical_range: "0.93-0.97 g/cm³ density, -50°C to 80°C continuous service temperature, 0.5-4.0 MPa tensile yield stress" unit: "g/cm³" melt_flow_index: status: "config-dependent" typical_range: "0.93-0.97 g/cm³ density, -50°C to 80°C continuous service temperature, 0.5-4.0 MPa tensile yield stress" unit: "g/10min" engineering_limits: max_safe_operating_point: value: 135 unit: "°C" consequence: "Chain scission via thermal-oxidative degradation at Arrhenius activation energy of 80-120 kJ/mol, disentanglement at critical molecular weight Mc=3800 g/mol, β-relaxation transition at -120°C causing brittle fracture" fmea_matrix_quantitative: - node_1: trigger: "UV radiation exposure at 290-400 nm wavelength exceeding 500 kJ/m²" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "2.5% carbon black loading with 20 nm particle size, hindered amine light stabilizer (HALS) at 0.3% concentration" - node_2: trigger: "Thermal degradation at 280°C for 30 minutes causing random chain scission" severity: 8 occurrence: 3 detection: 4 mitigation_protocol: "Primary antioxidant (phenolic) at 500 ppm combined with secondary antioxidant (phosphite) at 1000 ppm, processing temperature control below 230°C" bom_nodes: polymer-matrix: type: "component" llms_uri: "https://cnfx.com/llms/industry/rubber-and-plastic-product-manufacturing/component/polymer-matrix.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:POLYMER_MATRIX" urn: "URN:CNFX:ME:UNIT:POLYMER_MATRIX" interface_type: "physical-logic-coupled" is_migrated_part: true catalyst-residue: type: "component" llms_uri: "https://cnfx.com/llms/industry/chemical-manufacturing/component/catalyst-residue.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:CATALYST_RESIDUE" urn: "URN:CNFX:ME:UNIT:CATALYST_RESIDUE" interface_type: "physical-logic-coupled" is_migrated_part: true additive-package: type: "component" llms_uri: "https://cnfx.com/llms/industry/rubber-and-plastic-product-manufacturing/component/additive-package.md" link_type: "part" link_target_urn: "URN:CNFX:ME:UNIT:ADDITIVE_PACKAGE" urn: "URN:CNFX:ME:UNIT:ADDITIVE_PACKAGE" interface_type: "physical-logic-coupled" is_migrated_part: true manufacturing_compliance: url: "https://cnfx.com/llms/industry/plastics-primary-forms-manufacturing/product/high-density-polyethylene-hdpe-resin.md" on_chain_sovereignty: contract_standard: "ERC-721-Industrial" metadata_hash: "a5cf5362d2fb5163009eba86b0693dfd78edaa8c14537615c65c1799e7964c8f" royalty_logic: "IPFS-CID-REQUIRED" mint_status: "logic-verified-ready" rag_vector_index: semantic_queries: - "High-Density Polyethylene (HDPE) Resin" - "HDPE resin for injection molding" - "high-density polyethylene manufacturing process" - "HDPE polymer resin specifications" - "HDPE resin with high tensile strength" - "industrial-grade HDPE thermoplastic resin" - "High-Density Polyethylene (HDPE) Resin in " - "China High-Density Polyethylene (HDPE) Resin manufacturer" - "High-Density Polyethylene (HDPE) Resin supplier China" - "High-Density Polyethylene (HDPE) Resin density" - "High-Density Polyethylene (HDPE) Resin melt_flow_index" version: "3.3.5-EXTREME-SOVEREIGN-WEB3" --- # Industrial Specification: High-Density Polyethylene (HDPE) Resin ## 1. Technical Definition Thermoplastic polymer resin produced from ethylene monomer polymerization. ## 2. Engineering Reasoning & Causal Matrix > **Operational Intelligence**: Designed for **0.93-0.97 g/cm³ density, -50°C to 80°C continuous service temperature, 0.5-4.0 MPa tensile yield stress**. Failure boundary: **Crystallinity drops below 60% at 135°C melting point, molecular weight distribution Mw/Mn exceeds 20, environmental stress cracking resistance (ESCR) falls below 1000 hours per ASTM D1693**, Mechanism: **Chain scission via thermal-oxidative degradation at Arrhenius activation energy of 80-120 kJ/mol, disentanglement at critical molecular weight Mc=3800 g/mol, β-relaxation transition at -120°C causing brittle fracture**. ### 2.2 FMEA (Failure Mode & Effects Analysis) | Event Trigger | Severity | Failure Mode | Mitigation Strategy | | :--- | :--- | :--- | :--- | | UV radiation exposure at 290-400 nm wavelength exceeding 500 kJ/m² | 8 | Photo-oxidative chain scission reducing tensile strength by 40% | 2.5% carbon black loading with 20 nm particle size, hindered amine light stabilizer (HALS) at 0.3% concentration | | Thermal degradation at 280°C for 30 minutes causing random chain scission | 8 | Melt flow index increase from 0.3 to 15 g/10 min per ASTM D1238 | Primary antioxidant (phenolic) at 500 ppm combined with secondary antioxidant (phosphite) at 1000 ppm, processing temperature control below 230°C | ## 3. Key Technical Parameters | Parameter | Value | Unit | Status | | :--- | :--- | :--- | :--- | | density | Config-dependent | g/cm³ | Verified | | melt_flow_index | Config-dependent | g/10min | Verified | ## 4. System BOM & Knowledge Routing ### Core Components (Recursive Links) ### Industrial DNA Context (De-duplicated) **Complementary Dependencies**: **Extruder**, **Pelletizer**, **Industrial Chiller** **Downstream Applications**: Plastic Pipes, Plastic Bottles, Plastic Crates ## 5. Engineering Risks & FAQ - **Caution**: - **Caution**: - **Caution**: ### Q: What are the key properties of HDPE resin that make it suitable for industrial applications? **A**: HDPE resin offers excellent chemical resistance, high tensile strength, good impact resistance, and low moisture absorption, making it ideal for pipes, containers, and industrial components. ### Q: How does melt flow index affect HDPE resin processing? **A**: Melt flow index (MFI) indicates the viscosity and flow characteristics of HDPE resin during processing. Higher MFI values mean easier flow for injection molding, while lower values provide better strength for extrusion applications. ### Q: What additives are commonly used with HDPE resin and what functions do they serve? **A**: Common HDPE additives include UV stabilizers for outdoor durability, antioxidants for thermal stability during processing, colorants for product identification, and slip agents to reduce friction in film applications. ## 6. Manufacturing Compliance --- ### 🛠️ Engineering Resource Access 🔗 **[Full Specification: High-Density Polyethylene (HDPE) Resin](https://cnfx.com/industry/plastics-primary-forms-manufacturing/product/high-density-polyethylene-hdpe-resin)** ### 🌐 Knowledge Graph Topology > **Node Status**: Verified Engineering Spec > **Connectivity**: Linked to **3** standalone system nodes > **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph > **Reference ID**: HIGH_DENSITY_POLYETHYLENE_HDPE_RESIN | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: e8a1124c