DIRECT ZINC OXIDE

Zinc Oxide Grades: Indirect process Zinc Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide, Feed Grade Zinc Oxide, Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, etc. Property: White powder, odourless, relative density 5.606, stable under normal temperature. Insoluble in water and alcohol, soluble in acid, alkaki and amkonium solution. Usage:Used in rubber, dope cable, porcelain enamel, oil, pottery and porcelain, glass and other chemical industry. Packing:In polyethylene film bag with outer polypropylene woven bag, 25kg, 50kg, big sack bag or as required by the customer Direct process zinc oxide quality meet standard of GB/T3494-1996 Item/ParameterStandardZinc Oxide (in accordance with dry materials) % ≥ ZnO 99.5%ZnO 99%ZnO 98%ZnO 95%ZnO 90%Lead oxide (PbO)% ≤ 0.120.21.03.04.0Cadmium oxide (CdO) % ≤ 0.020.05------Cupric oxide (CuO) % ≤ 0.006--------Manganese (Mn) % ≤ 0.0002--------Metallic Zinc (in accordance with Zn) % NoneNone------Muriatic Acid Insoluble Substance % ≤ 0.030.040.50.72.0Loss On Ignition % ≤ 0.40.60.71.05.0Water Soluble Substance % ≤ 0.40.60.71.03.0Sieve Residue (45um mesh ) % ≤ 0.280.320.50.50.5Volatile % ≤ 0.40.40.50.50.5