电缆和光缆绝缘和护套材料通用试验方法 第42部分：聚乙烯和聚丙烯混合料专用试验方法-高温处理后抗张强度和断裂伸长率试验-高温处理后卷绕试验-空气热老化后的卷绕试验-测定质量的增加

Common test methods for insulating and sheathing materials of electric and optical cables - Part 42:Methods specific to polyethylene and polypropylene compounds - Tensile strength and elongation at break after conditioning at elevated temperature - Wrappi