AATCC Test Method 193-2012

Aqueous Liquid Repellency: Water/Alcohol

Solution Resistance Test

Developed in 2004 by AATCC Committee RA56

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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