ISO 2507.1热塑性塑料管材和管件维卡软化温度第1部分
分:一般试验方法/Thermoplastics pipes and fittings-Vicat softening temperature - Part 1: General test method
ISO 2507-2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)orchlorinated poly(vinyl chloride) (PVC-C) pipes and fittings and for high impact resistance poly(vinyl chloride) (PV
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