IS 8570-1977

标准号：IS 8570-1977
发布日期：1977/12/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This standard covers presspaper either dyed or of natural colour of four different types, each up to 0·5 mm thick, supplied either in roll form or as sheets cut from the roll, and with a smooth calendered finish.Note — Presspaper is available in thickness greater than 0·5 mm and with other types of finish (see 4.3). For such presspaper, limits should be the subject of agreement between the purchaser and the manufacturer.1.2 This standard does not cover:a) sheet material made on an 'intermittent board' machine which is covered by IS : 1576-1967〓, andb) Straw paper (not considered desirable for electrical purpose ).