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AATCC 8 Colorfastness to crocking

Standard:

AATCC

Method:

AATCC 8

Title:

Colorfastness to Crocking: AATCC Crockmeter Method

Purpose and Scope

AATCC 8 Colorfastness to crocking is designed to determine the amount of color transferred from the surface of colored textile materials to other surfaces by rubbing. It is applicable to textiles made from all fibers in the form of yarn or fabric whether dyed, printed or otherwise colored.

Test procedures employing white test cloth squares, both dry and wet with water, are given. As washing, drycleaning, shrinkage, ironing, finishing, etc., may affect the degree of color transfer from a material, the test may be made before, after, or before and after any such treatment.

Principle:

A colored test specimen is rubbed with white crock test cloth under controlled conditions. Color transferred to the white test cloth is assessed by a comparison with the Gray Scale for Staining (AATCC Evaluation Procedure 2) or the Chromatic Transference Scale (AATCC Evaluation Procedure 8) and a grade is assigned.

 

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