Insulating and sheathing materials of electric and optical cables - Common test methods - Part 4-2: Methods specific to polyethylene and polypropylene compounds - Tensile strength and elongation at break after conditioning at elevated temperature - Wrapping test after conditioning at elevated temper
电缆和光缆的绝缘和护套材料.通用试验方法.第4-2部分:聚乙烯和聚丙烯化合物专用方法.高温处理后的拉伸强度和断裂伸长率.高温处理后的缠绕试验