NF EN ISO 2507-1

NF EN ISO 2507-1

December 2017
Standard Cancelled

Thermoplastics pipes and fittings — Vicat softening temperature — Part 1: General test method

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Main informations

Collections

National standards and national normative documents

Publication date

December 2017

Number of pages

14 p.

Reference

NF EN ISO 2507-1

ICS Codes

23.040.20   Plastics pipes
23.040.45   Plastics fittings

Print number

1
Replaced standards (1)
NF EN 727
October 1994
Standard Cancelled
Plastics piping and ducting systems. Thermoplastics pipes and fittings. Determination of vicat softening temperature (vst).

Le présent document décrit une méthode de détermination de la température de ramollissement Vicat des tubes et des raccords en matières thermoplastiques et comprend l'adaptation, dans ce but, de la méthode B, décrite dans l'ISO 306, en utilisant une force de 50 N.

Standard replaced by (1)
NF EN ISO 2507
February 2026
Standard Current
Thermoplastics pipes and fittings - Vicat softening temperature: General test method and test conditions for Vinyl chloride - based (PVC-U, PVC-C, PVC-Hi) and Acryl nitrile - based (ABS, ASA) pipes and fittings

Le présent document spécifie une méthode générale pour déterminer la température de ramollissement Vicat (VST) des tubes et des raccords en matières thermoplastiques. Il inclut l’adaptation de la méthode B 50 de l’ISO 306:2022 en utilisant une force de 50 N et une vitesse d’élévation de la température de 50 °C/h. Il comprend les conditions spécifiques d’essai permettant de déterminer la température de ramollissement Vicat (VST) des tubes et des raccords en poly(chlorure de vinyle) non plastifié (PVC-U) ou en poly(chlorure de vinyle) chloré (PVC-C), des tubes en poly(chlorure de vinyle) à résistance aux chocs améliorée (PVC-HI) et des tubes et des raccords en acrylonitrile/butadiène/styrène (ABS) et en acrylonitrile/styrène/ester acrylique (ASA). Il donne également, pour information, les spécifications de base correspondantes. Il n’est pas applicable aux polymères cristallins ni semi-cristallins.

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