By Garry Atkinson, AATCC Technical Associate; Featuring illustrations by Garry Atkinson
Instructions adapted from AATCC TM 22-2017e Water Repellency: Spray Test
AATCC TM22 is often used as a quick, low cost way to screen the water repellency of a fabric.
This test method is applicable to any textile fabric, which may or may not have been given a water-repellent finish. It measures the resistance of fabrics to wetting by water. It is especially suitable for measuring the water-repellent efficacy of finishes applied to fabrics.
Water sprayed against the taut surface of a test specimen under controlled conditions produces a wetted pattern, whose size depends on the relative repellency of the fabric. Evaluation is accomplished by comparing the wetted pattern with pictures on a standard chart.
AATCC TM 22 Water Repellency: Spray Test https://members.aatcc.org/store/tm22/
Purchase the testing supplies that you need to conduct AATCC TM22 efficiently at the AATCC Online Store https://members.aatcc.org/store/ in the Water Repellency section.
Items for conducting AATCC Test Method 22:
AATCC provides a range of products for your textile-related needs. We have publications on a variety of subjects, as well as the AATCC Manual of International Test Methods and Procedures. We also offer a wide selection of testing aids and materials suitable for your QC testing needs. In addition, we provide educational resources, proficiency testing programs, and UV subscription services.
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