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ISO 306:2004 PDF
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Plastics — Thermoplastic materials — Determination of Vicat softening temperature (VST)
ISO 306:2004 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.
| Edition | 2004 |
|---|---|
| Published Date | 2004 |
| Published By | International Standardization Organisation |
| Page Count | 10 |
