KS M ISO 2507-2-2005 热塑性塑料管材和管件.维卡软化温度.第2部分:硬聚氯乙烯(PVC-V)或氯化聚氯乙烯(PVC-C)管材及管件和高抗冲聚氯乙烯(PVC-HI)管材的试验条件
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 high impact resistance poly(vinyl chloride)(PVC-HI) pipe