GB/T 2951.31-2008

Common test methods for insulating and sheathing materials of electric and optical cables - Part 31:Methods specific to PVC compounds - Pressure test at high temperature - Test for resistance to cracking

电缆和光缆绝缘和护套材料通用试验方法 第31部分：聚氯乙烯混合料专用试验方法 高温压力试验-抗开裂试验