1 Scope
1.1 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.