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EN ISO 306:2022

Plastics - Thermoplastic materials - Determination of Vicat softening temperature (VST) (ISO 306:2022) EN ISO 306:2022

Publication date:   Mar 16, 2023

General information

60.60 Standard published   Nov 30, 2022

CEN

CEN/TC 249 Plastics

European Norm

83.080.20   Thermoplastic materials

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Scope

This document specifies four methods for the determination of the Vicat softening temperature (VST) of thermoplastic materials:
—    Method A50 using a force of 10 N and a heating rate of 50 °C/h;
—    Method B50 using a force of 50 N and a heating rate of 50 °C/h;
—    Method A120 using a force of 10 N and a heating rate of 120 °C/h;
—    Method B120 using a force of 50 N and a heating rate of 120 °C/h.
The methods specified are applicable only to thermoplastics, for which they give a measure of the temperature at which the thermoplastics start to soften rapidly.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 306:2013

NOW

PUBLISHED
EN ISO 306:2022
60.60 Standard published
Nov 30, 2022