HD 505.1.3 S1-1988 电缆绝缘和护套材料的通用试验方法.第1部分:一般应用方法.第3节:密度测定方法.吸水试验.收缩试验
Common Test Methods for Insulating and Sheathing Materials of Electric Cables Part 1: Methods for General Application Section Three - Methods for Determining the Density - Water Absorption Tests - Shrinkage Test