AATCC EP1-2018
- Gray Scale for Color Change
- standard by American Association of Textile Chemists and Coloris
- Category: AATCC
$70.00
$35.00
AATCC EP1-2018 describes the use of a Gray Scale for visually evaluating changes in color of textiles resulting from colorfastness tests. For instrumental assessment of change of color of a test specimen refer to AATCC Evaluation Procedure 7. A precise colorimetric specification of the differences between the referenceand the 9-step Scale is given as a permanent record against which newly prepared Gray Scales, and old scales that might have changed, can be compared.
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