Vicat Softening Temp.
(ASTM D1525)
Determination of the temperature of which a standard indenter penetrates 1mm into the surface of a plastics test specimen under one of the loads specified under uniform rate of heating.
Rate of rise of temp. 50±5°C/hr 120±12°C/hr
Deflection Temperature of Plastic Under Flexural Load (ASTM D-648)
Determination of the temperature at which an arbitrary deformation occurs when plastics are subject to arbitrary bending loads and conditions of continually rising temperature.
Rate of rise of temp. 2±0.2°C/min.
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