... , As cotton, hemp, paper pulp, silk fiber fabric bleaching, drinking water, swimming pool water, such as sterilization and ... second, Mainly used for cotton fabrics, chemical fiber, paper pulp bleaching, is also used for disinfection, sterilization, etc . third, ... reagents, bleach, hair removal agent and antioxidant . forth, Used for cotton, hemp, silk fiber fabric, paper pulp bleaching, drinking water, ...