标准号:IS 987-1988
发布日期:1989/3/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard prescribes two methods for determination of colour fastness of textile mate-rials composed of natural or regenerated cellulose, and synthetic fibres to the action of bleaching with sodium chlorite as employed in textile pro-cessing.Tn the first method (see 6 ) mainly applicable to textile materials made of regenerated cellulose and synthetic fibres, a comparatively mild test has been prescribed. Tn the second method (see 7). mainly applicable to textile materials made of natural cellulose textiles, a comparatively severe test has been prescribed.