ISO-306 › Historical Revision Information
Plastics - Thermoplastic materials - Determination of Vicat softening temperature (VST)
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ISO 306:2013 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 K/h;
- method B50 using a force of 50 N and a heating rate of 50 K/h;
- method A120 using a force of 10 N and a heating rate of 120 K/h;
- method B120 using a force of 50 N and a heating rate of 120 K/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.
To find similar documents by classification:
83.080.20 (Thermoplastic materials)
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Document Number
ISO 306:1987
Revision Level
2ND EDITION
Status
Superseded
Publication Date
Dec. 15, 1987
Committee Number
ISO/TC 61/SC 2