This standard, Test 5 of a series of five washing tests, prescribes a method for determination of colour fastness of textile materials irrespective of their composition ( cotton, linen, man-made fibres, etc ) and their form ( fibre, yarn or fabric) to the action of soap and sodium carbonate solution at 95℃ for four hours along with beating action of steel balls. It is applicable only to those fibres which are capable of withstanding such conditions.
IS 3417-1979 history
1980IS 3417-1979 Method for determination of color fastness to washing of textile materials: Test 5