... of acetylene . second, Mainly used for cotton fabrics, chemical fiber, paper pulp bleaching, is also used for disinfection, sterilization, etc . ... and antioxidant . forth, Used for cotton, hemp, silk fiber fabric, paper pulp bleaching, drinking water, swimming pools, water etc ... do not break down. Mainly used for cotton, chemical fiber, paper pulp, starch bleaching. Can be used for drinking water, ...