This standard prescribes methods of assessing the re sistance of colour on dyed textiles, both natural and man-made, in whatever form they may be, i.e., loose fibre, yarn or manufac tured fabric, dyed or printed with any dyes and in any shade, to the action of bleaching baths containing peroxide at concentration commonly employed in textile processing.
PS 41-1958 history
1958PS 41-1958 PAKISTAN STANDARD METHODS OF TESTING FASTNESS OF DYES ON TEXTILES TO BLEACHING WITH PEROXIDE