Full Description

This evaluation procedure describesthe use of a Gray Scale for visually evaluatingchanges in color of textiles resultingfrom colorfastness tests. For instrumentalassessment of change of color of a testspecimen refer to AATCC Evaluation Procedure7. A precise colorimetric specificationof the differences between the referenceand the 9-step Scale is given as apermanent record against which newlyprepared Gray Scales, and old scales thatmight have changed, can be compared.

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Published: 2007 Number of Pages: 2File Size: 1 file , 210 KB