GB/T 2951.31-2008
電纜和光纜絕緣和護套材料通用試驗方法.第31部分:聚氯乙烯混合料專用試驗方法.高溫壓力試驗.抗開裂試驗
Common test methods for insulating and sheathing materials of electric and optical cables.Part31:Methods specific to PVC compounds.Pressure test at high temperature.Test for resistance to cracking
GBT2951.31-2008, GB2951.31-2008