標(biāo)準(zhǔn)號(hào)：IS 1398-1982
發(fā)布日期：1983/5/1 12:00:00
實(shí)施日期：1999/12/31 12:00:00
適用范圍：1.1 This standard prescribes requirements and methods of sampling and test for bitumen-laminated waterproof paper for general packaging.2. TYPES2.1 Bitumen-laminated waterproof packaging paper shall be of the following three types:a) Type 1 — Waterproof paper comprising two plies of kraft paper laminated with bitumen,Type 2 — Waterproof paper comprising two plies of draft paper laminated with bitumen and reinforced with jute or cotton yarns placed 25 to 30 mm apart,Type 3 — Waterproof paper comprising one ply of hessian cloth and one of kraft paper, laminated with bitumen.