Description

Zinc Oxide Molecular Formula: ZnO Molecular Weight: *1.*9 Characterï&frac*4;šwhite powder CAS RNï&frac*4;š********2 Materialize characterï&frac*4;šDensity 5.**6ï&frac*4;Œmelting point ***5oC, sublime when ***0oC, dissoluble in acid, alkali, ammonium chloride and ammonia, indissoluble in water and ethanol. Application: rubber, ceramics, medicine, paint, printing and dyeing, magnetic material, electron chemical engineering and so on. Specification : Indirect process Standard: GB/T********2 Item Standard Environment prot grade Industry top grade Industry one grade Eligibility product Zinc oxide(ZnO) ≥ , % *9.8 *9.7 *9.5 *9.4 Hardware (base on Zn) ≤ , % None None None 0.**8 Lead oxide (base on Pb) ≤ , % 0.***0 0.**7 0.**0 0.*4 Oxide of mangan (base on Mn) ≤ , % 0.***1 0.***1 0.***1 0.***3 Cupelric oxide (base on Cu) ≤ , % 0.***2 0.***2 0.***4 0.***7 Muriatic acid insoluble substance ≤ , % 0.**4 0.**6 0.**8 0.*5 Loss on ignition ≤ , % 0.*0 0.*0 0.*0 0.*0 Residue on sieve (*5um mesh) ≤ , % 0.**8 0.*0 0.*5 0.*0 Hydrotrope ≤ , % 0.**8 0.*0 0.*0 0.*5 **5 oC Volatile ≤ , % 0.*5 0.*0 0.*0 0.*0 Direct process Standard: GB/T********6 Item Standard [I] [II] [III] Zinc oxide(ZnO) ≥ , % *9.5 *9 *8 Hardware (base on Zn) ≤ , % None None None Lead oxide (base on Pb) ≤ , % 0.*2 0.2 — Cadmium oxide (base on Cd) ≤ , % 0.*2 0.*5 — Oxide of mangan (base on Mn) ≤ , % 0.***2 — — Cupelric oxide (base on Cu) ≤ , % 0.**6 — — Muriatic acid insoluble substance ≤ , % 0.*3 0.*4 — Loss on ignition ≤ , % 0.4 0.6 — Hydrotrope ≤ , % 0.4 0.6 0.8 Residue on sieve (**0um ) ≤ , % 0.*8 0.*2 0.*5 Moisture ≤ % 0.4 0.4 0.4 Hiding power g/m 2 ≤ % **0 **0 **0 Oil absorption(g/**0g) ≤ % *8 *0 *0 Colouring power ≥ % **0 *5 *5