AATCC 193-2017 Download


Aqueous Liquid Repellency: Water/Alcohol Solution Resistance Test
standard by American Association of Textile Chemists and Colorists, 2017

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1. Purpose and Scope

1.1 This test method can be used to determine the efficacy of a protective finish that is capable of imparting a low energy surface on all types of fabrics, by evaluating the fabric’s resistance to wetting by a selected series of water/alcohol solutions of different surface tensions.

2. Principle

2.1 Drops of standard test liquids, consisting of a selected series of water/alcohol solutions with varying surface tensions, are placed on the fabric surface and observed for wetting, wicking and contact angle.

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