Borrador del Comité
ISO/CD 306
Plastics — Thermoplastic materials — Determination of Vicat softening temperature (VST)
Reference number
ISO/CD 306
Edition 7
Borrador del Comité
ISO/CD 306
93714
El comité está revisando un borrador.
Reemplazará ISO 306:2022

Resumen

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.

Informaciones generales

  •  : En desarrollo
    : Borrador de comité (CD) registrado [30.00]
  •  : 7
  • ISO/TC 61/SC 2
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