HD 505.3.1 S1-1988 电缆绝缘和护皮材料的公用试验方法.第3部分:聚氯乙烯化合物特有的方法.第1节:高温压力试验.抗裂试验
Common Test Methods for Insulating and Sheathing Materials of Electric Cables Part 2: Methods Specific to PVC Compounds Section one - Pressure Test at High Temperature - Tests for Resistance to Cracking