KS M ISO 2507-2-2005(2020) 热塑性塑料管道和配件-维卡软化温度?第2部分:高抗冲击聚氯乙烯(PVC-HI)管用未增塑聚氯乙烯(PVC-U)或氯化聚氯乙烯(PVC-C)管及配件的试验条件
Thermoplastics pipes and fittings-Vicat softening temperature?Part 2:Test conditions for unplasticized poly(vinyl chloride)(PVC-U) or chlorinated poly(vinyl chloride)(PVC-C) pipes and fittings for hig