GB/T 2951.8-1997 电缆绝缘和护套材料通用试验方法　第4部分：聚乙烯和聚丙烯混合料专用试验方法　第1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——聚乙烯中碳黑和/或矿物质填料含量的测量方法

GB/T 2951.8-1997 Common test methods for insulating and sheathing materials of electric cables Part 4:Methods specific to polyethylene and polypropylene compounds—Section one:Resistance to environmental stress cracking—Wrapping test after thermal ageing in air—Measurement of the melt flow index—Carbon black and/or mineral filler content measurement in PE