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prEN ISO 306

Plastics - Thermoplastic materials - Determination of Vicat softening temperature (VST) (ISO/DIS 306:2021)

General information
Draft
Base Documents
ISO/DIS 306; prEN ISO 306
Directives or regulations
None
Standard history
Status
Date
Type
Name
09.12.2013
Main
1.1 This International Standard 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 1.2 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.
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