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Thermoplastics pipes and fittings. Vicat softening temperature. General test method and test conditions for vinyl chloride-based (PVC-U, PVC-C, PVC-HI) and acrylonitrile-based (ABS, ASA) pipes and fittings
This document specifies a specific 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 and the procedure for specimen preparation.
It includes the particular test conditions for determining the Vicat softening temperature (VST) of:
This document can also be used for pipes and fittings from other materials (e.g. PE-UHMW).
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