Zinc oxide is white crystalline or powder; Relative density is 5.606, melting point 1975°C, it is amphoteric oxide insoluble in water, ethanol and ammonia, soluble hydroxide and ammonium chloride, while heated, it becomes yellow and resumes white after cooling down.Application:1.Zinc oxide is used in rubber and tire industry are essential additives, are also used as natural rubber, synthetic rubber and latex vulcanization active agents and reinforcing agents, as well as coloring agents;2.In the chemical industry, zinc oxide is widely used as a catalyst and desulfurizer;3.in the coatings industry, not only zinc oxide with coloring and hiding power, but also are coatings of preservatives and brightening agent;4. in the glass industry, zinc oxide used in specialty glass products; 5.in Ceramic Industry, zinc oxide used as a flux;6. in printing and dyeing industry, zinc oxide used to prevent dye.Specification:English Name: Zinc OxideMolecular formula: ZnOMolecular weight : 81.39ItemIndexZinc oxide ( ZnO ),%≥99-99.7lead oxide ( Pb ),%≤0.03-0.50Oxide of manganese ( Mn ),%≤0.0001-0.0005copper oxides ( Cu ),%≤0.0003-0.006Insoluble matter in HCl,%≤0.006-0.100Loss on ignition ,%≤0.2-1.0Screen residues through(45 um mesh ) , %≤0.1-0.3Water soluble matter ,%≤0.1-0.8Volatile 105°C0.3-0.5Packing: Inner is plastic bag and outer is woven bag,25kg/bag or as the client’s requestStorage: packed in dry and airiness place, no contact with acid and alkali , In good condition, its valid period is one year (the packing should be sealed), if expired, qualified product is still available .Others:AI MU(Tianjin) Technology Development Co.,Ltd. is professional manufacture of Zinc Oxide. We sincerely look forward to cooperation with you.