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GMW17141

M00002604

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GMW17141 2nd Edition, March 2020 Test for Stress Mark Susceptibility of Plastic Materials

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Description / Abstract: Purpose.

This procedure attempts to quantify the blush resistance of plastic materials (primarily used with polypropylene and related color concentrates). It establishes a Stress Evaluation Test (SET) number which can be used to predict blushing due to changes in pigment concentration.