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AATCC Gray scale for staining
The scale is used in color fastness tests for evaluating staining on undyed materials. Scale consists of pairs of nominally white and gray color card sets, each representing a difference in color or contrast (shade and strength) corresponding to a numerical grade for staining.
Description
The scale is used in color fastness tests for evaluating staining on undyed materials. Scale consists of pairs of nominally white and gray color card sets, each representing a difference in color or contrast (shade and strength) corresponding to a numerical grade for staining.