Water Repellency Spray Test (AATCC TM22)
Test Method for Water Repellency: Spray Test – AATCC TM22
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.