VST / HDT Apparatus |
|
|
VICAT
SOFTENING TEMP.
(ASTM D1525)
:
Determination of the temperature at 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 + 50C / per hr. 120 + 120C
DEFLECTION TEMPERATURE OF PLASTIC UNDER
FLEXURAL LOAD
( As per ASTM D-648) Rate of rise of temp. 2 + 0.20C / per min. |