... : Standard:GB/T10666-2008 ItemsSpecificationI. Sodium ProcessII. Calcium ProcessSuperFirstQualifierSuperFirstQualifierEffective Chlorine(Cl)70%min67%min65%min65%min60%min55 ... cotton, hemp, silk, cloth, fiber etc.b) Widely used in disinfection of drinking water, hotel, hospital, swimming ... pool, pond and bath roomc) Used in the anti-shrinkage treatment of wool, bleaching of ...