Spray Rating Tester is designed to determine the surface wetting resistance of any fabrics, which may or may not have been given a water-repellent finish. It is not intended to predict waterproofness, since it does not measure the penetration of water through fabric.
Standards:ISO 4920, BS EN 24920, BS 3702, GB/T 4745, AATCC 22, M+S P23, NEXT 23