prBAS EN ISO 2507:2027
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
General information
Status:Project
Number of pages:13
Adoption method:Proglašavanje
Language:engleski
Edition:2.
Realization date:29.09.2026
Forseen date for next stage code:14.10.2026
Technical committee:BAS/TC 53, Fluids and fluids systems
ICS:
23.040.20, Plastics pipes
23.040.45, Plastics fittings
23.040.45, Plastics fittings
Abstract
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).
Lifecycle
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Original document and degree of correspondence
EN ISO 2507:2026, identical
ISO 2507:2026, identical
Relation to BAS standards
Work material
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