GB/T 2951.42-2008 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——长期热稳定性试验——铜催化氧化降解试验方法

GB/T 2951.42-2008 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—Wrapping test after conditioning at elevated temperature—Wrapping test after thermal ageing in air—Measurement of mass increase—Long-term stability test—Test method for copper-catalyzed oxidative degradation