General Features | |
Grade | French process 99.7%, 99.5%. Prepared by vaporization of metallic Zinc and Oxidation of the vapors with air. |
Application | In rubber,in ceramics and opaque glass; Manuf. enamals, cosmetics, driers, quick setling cements; Manuf. Zinc phosphate coating, paint, soft type feromagnetic, copy paper, medicine, animal food. |
Properties | White odorless powder, Hexagonal crystals.Melting Point (Sublimation) 1800°C, PH 7.4 (5% soln.) Pratically insoluble in water, alcohol, organic solvent; Soluble in dilute acetic or mineral acid, ammonia, fixed alkali hydroxide solutions. |
System Specifications
ZnO | > 99.8% |
Pb | < 0.005% |
Cd | < 0.001% |
Moisure (H2O 105°C x 2hrs | < 0.30% |
Soluble in H2O | < 0.10% |
PH Value | 7.35-7.45 |
Screen Test ( Thru. 325mech) | > 99.90% |
Insoluble in HCL | > 0.05% |