ISO 306:2013 Preview

Plastics -- Thermoplastic materials -- Determination of Vicat softening temperature (VST)

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.


General information

  • Status :  Published
    Publication date : 2013-11
  • Edition : 5
    Number of pages : 16
  • :
    ISO/TC 61/SC 2
    Mechanical behavior
  • 83.080.20
    Thermoplastic materials

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