The OPTI-THERM unit has been developed to allow a wide range of tests to be carried out, where accurately controlled dry heat conditions are required on the surfaces of two flat heater plates.
Colour Fastness to hot pressing is the test required to determine the colour change and/or colour transfer from a test specimen to a single adjacent fabric when exposed to high temperature and under a predetermined load weight.
The downward pressure of the heated top plate is 4Kpa.
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