Molecular Formula: ZnO
Molecular Weight: 81.38
CAS NO.: 1314-13-2
Properties:White powder, innocuous, odorless, stable under normal temperature. soluble in acid, alkali and ammonium chloride solution, insoluble in water and alcohol.
Zinc Oxide 99.7% Industry Grade:
Pb: 0.037% max.
Insoluble in HCl: 0.006% max.
L.O.I.: 0.2% max.
Screen residues(through 45 micron wet screen): 0.1 max.
volatile( 105 ℃): 0.3 max.
Accelerator activator, pigment, and reinforcing agent in rubber; ointment; pigment and mold growth inhibitor in paints; ceramics; floor tile; glass; zinc salts (zinc stearate etc.) feed additive; semi-conductor in electronic devices; electronic ceramics, raw material to produce zinc phosphate as steel coating.
Zinc Oxide Direct Method 99.5%:
The product is white fine powder and can slowly absorb the water in the air.
Item rubber paint
Zinc oxide: 99.5min. 99.5min.
Lead oxide(PbO): 0.12max. --
Cadmium oxide (CdO): 0.02max. --
Copper Oxide(CuO): 0.006max. --
Mangaese(Mn): 0.0002max. --
Metallic metals(as Zn): None None
Insolubles in HCL solution: 0.03max. --
Losses on ignition: 0.4max. 0.4max.
Soluble matters in water: 0.4max. 0.4max.
Screening residues(45µm wet screen): 0.28max. 0.28max.
105 degree moisture: 0.4max 0.4max.
Hiding power(g/m2): 150max.
Oil absorption,(g/100g): 18max.
Colour killing: 100max.
Zinc Oxide feed grade:
Zinc Oxide(as Zn):75% min.
Pb: 0.005% max.
Finenese(Through 150µm screen): 95% max.
Zinc Oxide Pharmaceutical Grade(USP23):99~100.5%
Zinc Oxide Pharmaceutical Grade(BP98):99~100.5%