GB/T 2951.8-1997

General test methods for insulating and sheathing materials of electric cables — Part 4: Specific test methods for polyethylene and polypropylene compounds — Section 1: Resistance to environmental stress cracking — Wrapping test after thermal ageing in air — Measurement of melt flow index

电缆绝缘和护套材料通用试验方法 第四部分：聚乙烯和聚丙烯混合料专用试验方法 第一节：耐环境应力开裂试验－空气热老化后的卷绕试验－熔体指数测量方法－