T/CAS 459-2020 Evaluation of the Consistency of Wire and Cable Materials - Polyolefin Materials

Scope

Scope: This standard specifies the instruments and materials, test environment conditions, sample preparation, testing, data processing, judgment criteria, and test reports for confirming the consistency of flame-retardant polyolefin-based wire and cable materials using three testing methods: infrared spectroscopy, differential scanning calorimetry (DSC), and thermogravimetric analysis (TGA). This standard applies to the consistency assessment of flame-retardant polyolefin wire and cable materials manufactured by mixing one or more types of polyolefin resins with flame-retardant systems, anti-aging systems, processing aids, and other additives through specific processes. Main Technical Content: 1. Scope: This standard specifies the instruments and materials, test environment conditions, sample preparation, testing, data processing, judgment criteria, and test reports for confirming the consistency of flame-retardant polyolefin-based wire and cable materials using three testing methods: infrared spectroscopy, DSC, and TGA. This standard applies to the consistency assessment of flame-retardant polyolefin wire and cable materials manufactured by mixing one or more types of polyolefin resins with flame-retardant systems, anti-aging systems, processing aids, and other additives through specific processes. Note: The judgment criteria specified in this standard do not apply to the consistency assessment between raw materials and finished products of thermosetting products, for example, the consistency assessment between irradiated cross-linked polyolefin raw material particles and the cable products made from these particles after irradiation cross-linking. 2. Normative References: The following documents are essential for the application of this document. For dated references, only the version dated on that date applies to this document. For undated references, the latest version (including all amendment sheets) applies to this document. GB/T 6040—2019 Gener

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