AATCC Test Method 43-2009
Wetting Agents for Mercerization

Developed in 1941 by AATCC Committee RA8; Transferred to Committee RA63 in 2003

1.  Purpose and Scope

1.1  This test method is applicable only to the evaluation of wetting agents in caustic soda of mercerizing concentration.

2.  Principle

2.1  A 25 mm (1 in.) long bundle of cotton yarns composed of 120 ends is carefully dropped onto the surface of a test solution and the time for complete wetting of all ends is determined.

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