The Test of Laminated Fabric’s Hydrostatic Pressure?
Testing standards for laminated fabrics: JIS L 1092 A & JIS L 1092 B, AATCC 127, ISO 811, GB/4744.
Testing principle for laminated fabrics: The hydrostatic pressure exerted on fabrics represents the resistance to water penetration through fabrics. . Under standard atmospheric conditions, one side of the specimen is subjected to a constant rising water pressure until there is water seepage at three places.