... , reducer in producing aminosalicylic acid, synthetic fiber and stabilizing agent in textile industry. It can prevent the partial oxidation of cotton cloth ... .0002ClarityBy testUse:It can be used for bleacher, preservative, loosening agent, antioxidant and reducer in producing dehydration vegetables, and can be ... bag, etc. compound bag, kraft bag, etc. Sodium Sulfite Anhydrous/Auxiliary agent