T/SDWCIA 0023-2022 Quality grading and "Pioneer" evaluation requirements for insulation and sheath materials used in wire and cable

Scope

Scope: This document specifies the evaluation indicators and methods for assessing the quality and enterprise standard level of insulation and sheathing materials for wire and cable applications, as well as their grading system. This document applies to the quality and enterprise standard level evaluation of soft polyvinyl chloride insulation materials for wire and cable applications, halogen-free low-smoke flame-retardant thermoplastic polyolefin insulation materials for wire and cable applications, halogen-free low-smoke flame-retardant cross-linked polyolefin insulation materials, silane cross-linked polyethylene insulation materials for 10kV and below cross-linked polyethylene insulated cables, soft polyvinyl chloride sheathing materials, halogen-free low-smoke flame-retardant thermoplastic polyolefin sheathing materials, halogen-free low-smoke flame-retardant cross-linked polyolefin sheathing materials, and black polyethylene sheathing materials. Relevant agencies can refer to this document when conducting quality grading and enterprise standard level assessments, evaluating "leaders", and conducting related certifications. Enterprises can also refer to this document when formulating their own enterprise standards. Main Technical Content: 4.2 Evaluation Indicator Classification 4.2.1 Basic Indicators - The basic indicators for soft polyvinyl chloride insulation materials for wire and cable applications include the relevant requirements of GB/T 8815. - The basic indicators for halogen-free low-smoke flame-retardant thermoplastic polyolefin insulation materials for wire and cable applications include the relevant requirements of GB/T 32129. - The basic indicators for halogen-free low-smoke flame-retardant cross-linked polyolefin insulation materials for wire and cable applications include the relevant requirements of GB/T 32129. - The basic indicators for silane cross-linked polyethylene insulation materials for 10kV and below cross-linked polyethylene insulated

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