This standard ( Part 1 ) specifies requirements and methods of sampling and test for cotton and nylon fabrics coated on one or both sides with a suitably plasticized coating, pigmented or otherwise, of vinyl chloride or copolymer, the major constituent of which is vinyl chloride, and which are suitable for use in the making up of water resistant clothing.
IS 3322 Pt.1-1987 history
1987IS 3322 Pt.1-1987 Specification for waterproof clothing Part 1 PVC coated fabrics