Textile Waterproof Testing Guide: ISO 811 (European), AATCC 127 (American), and JIS L 1092 (Japanese) Introduction Why Water Resistance Matters in Textiles (Outdoor Wear, Tents, Protective Fabrics) Water resistance is key for waterproof fabrics to work as intended. Rain jackets, uniforms, and workwear need to be waterproof. If the fabrics aren’t properly resistant, three main... The post Textile Waterproof Testing Standards: ISO 811, AATCC 127, JIS L 1092 appeared first on .