Specifies the particular test conditions for determining the Vicat softening temperature of PVC-U and PVC-C pipes and fittings as well as PVC-HI pipes (the general test method is given in ISO 2507-1). Also gives, for information, the corresponding basic specifications.
Specifies the particular test conditions for determining the Vicat softening temperature of PVC-U and PVC-C pipes and fittings as well as PVC-HI pipes (the general test method is given in ISO 2507-1). Also gives, for information, the corresponding basic specifications.
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 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. This document can also be used for pipes and fittings from other materials (e.g. PE-UHMW).
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