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how to do the wet crocking test

Author:QINSUN Released in:2019-02 Click:1184

Establish technique for preparing wet crock cloth squares by weighing a conditioned square, then thoroughly wet out while testing square in distilled water. Prepare only one square at a time.

how to do the wet crocking test

Bring the wet pick-up to 65 ± 5% by squeezing the wet testing square between white AATCC blotting paper through a hand wringer or similar convenient means.
Avoid evaporative reduction of the moisture content below the specified level before the actual crock test is run.

Continue as directed in 1;
Air dry the white test square, the condition before evaluating. In the case of napped, brushed or sanded material when loose fiber might interfere with the rating, remove the exteaneous fibrous material by pressing lightly on the crock circle with the sticky side of cellophane tape before evaluating.