SDC Gray Scale Color Change can be used for assessing colour change during colour fastness testing. The SDC Gray Scale Color Change consists of nine pairs of grey coloured chips, from grades 1 to 5 (with four half steps). Grade 5 represents no change and grade 1 depicts severe change in some standards.
FEATURES OF SDC GRAYSCALE COLOR CHANGE (3305)
SDC Enterprises GrayScale. Set
Color Change GrayScale.
United Kingdom GrayScale.
ISO Standard GraySc
ale.
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