Physicochemical property: Fine white amorphous powder, odorless, tasteless, relative Density4.42 ~ 4.45. Insoluble in water and alcohol-soluble ammonia can be dissolved in acid and sodium hydroxide with 30% hydrogen peroxide effect, release carbon dioxide, the formation of peroxides.Packing and storage: Lined with polyethylene plastic bags, plastic bags Packing, net weight 25kg. Store in a cool, ventilated, dry warehouse. Not the sort of item with the pH during storage or shipment. Pay attention to moisture, fire, sunlight and heat.????Use: Used as a light astringent, prepared calamine, skin protection agents, latex products raw materials