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 and for high impact resistance poly(vinyl chloride) (PVC-HI) pipes (ISO 2507-2:1995)
热塑性塑料管和配件维卡软化温度第2部分:未增塑聚氯乙烯(PVC-U)或氯化聚氯乙烯(PVC-C)管和配件及高抗冲击聚氯乙烯(PVC-HI)管的试验条件