GB/T 32129-2015: Translated English of Chinese Standard (GBT 32129-2015, GB/T32129-2015, GBT32129-2015): Halogen Free Low Smoke and Flame-retardant Compounds for Wires and Cables
https://www.chinesestandard.net, 2017. 6. 8. - 25페이지
This Standard specifies the classification, technical requirements, test methods, inspection rules and packaging, marking, transportation and storage of halogen free low smoke and flame-retardant compounds for wires and cables.
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Annex A Normative Thermal Shock Resistance Test Method
Acidity of gases ageing oven Air oven thermal cables and conductors compounds for insulation compounds for wires cracking No cracking cross-linking polyolefin compounds deformation at 100 Dielectric strength dumb-bell test pieces Electrical Insulating elongation at break ex-factory inspection fire-retardant cross-linking polyolefin fixed elongation free low smoke gauge length halogen free low HCl and HBr Hot water immersion Insulation and Sheath low smoke fire-retardant Max change rate oven thermal ageing permissible working temperature pieces of type Plastics polyethylene properties of halogen rate of elongation rate of tensile Requirement S.N. Test resistivity at 20°C S.N. Test item Silane smoke fire-retardant compounds smoke fire-retardant cross-linking smoke fire-retardant thermoplastic specified in GB/T specified in Table strength Max change temperature 23 temperature of wires temperature Test duration temperature Test result temperature Test temperature tensile strength Max Test item Unit test specimens Test temperature Test test Test temperature Thermal Shock thickness of test vertical burning wires and cables