HD 505.4.1 S2-1990 电缆绝缘和护套材料通用试验方法.第4部分:聚乙烯和聚丙烯复合物专用方法.第1节:耐环境应力裂化试验.空气中热老化后的缠绕试验.溶体流动指数的测量.PE中炭黑和/或矿物填充料的含量测量
Common Test Methods- Insulating/Sheathing Materials Electric Cables Part 4: Methods Polyethylene/ Polypropylene Compounds Sec 1-Resistance Environmental Stress- Cracking/Wrapping Test After Thermal Ageing in Air-Measurement of Melt Flow Index-Carbon Black