Rördelar av plast

Ämnesområden: Plaströr; Rördelar av plast
Kommittébeteckning: SIS/TK 156/AG 02 (Plaströrssystem)
Källa: CEN
Svarsdatum: den 2 maj 2025
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 ISO 2507 specifies a general method for determining the Vicat softening temperature (VST) of thermoplastics pipes and fittings.

It includes the adaption of method B 50 of ISO 306: 2022 using a force of 50 N and a heating rate of 50 °C/h. It includes the particular test conditions for determining the Vicat softening temperature (VST) of unplasticized poly(vinylchloride) (PVC-U) or chlorinated poly(vinylchloride) (PVC-C) pipes and fittings, for high impact resistance poly(vinylchloride) (PVC-HI) pipes and for acrylonitrile/butadiene/styrene (ABS) and acrylonitrile/styrene/acrylic ester (ASA) pipes and fittings.

It also gives, for information, the corresponding base specifications.

It is not applicable to crystalline or semi-crystalline polymers.