factory direct supply zinc oxide importers satisfied

zinc oxide importers  satisfied   1.Details of zinc oxide Molecular Formula: Zno   Molecular Weight: 81.834   2.Performance of zinc oxide :  99.7% indirect-method ZnO is produced by an oxidation method and a calcination method. It is white powder stable at normal temperature, has good hiding power and tinctorial strength, can dissolve in acid, alkali and ammonia salt solution, and belongs to amphoteric zinc oxide.   3.Application of zinc oxide : All-steel radial tires, diagonal tires, automobile capsules, hoses, tape, gloves and other rubber products; paint, medicine, cables, electronics, coinage, enamel, chemical engineering, cosmetics, phosphating liquid, electronic laser materials, etc.   4.Packing of zinc oxide : Polypropylene woven bags or kraft paper bags lined with plastic film bags, 25 kg in net weight each Technical Index of 1st Product: GB/T3185-92   5.Specification of zinc oxide :

Catalog	Index
ZnO (based on dry products)%≥	99.8	99.7	99.5
metal (based on Zn) %≤	—	—	—
PbO (based on Pb) %≤	0.0028	0.037	0.04
CuO (based on Cu) %≤	0.0001	0.0002	0.0004
MnO (based on Mn) %≤	0.0001	0.0001	0.0001
Hydrochloric acid insoluble matter %≤	0.003	0.012	0.015
Ignition loss %≤	0.13	0.2	0.2
Water soluble matter %≤	0.01	0.1	0.2
Residue on screen (320 mesh) wet screening %≤	0.10	0.13	0.2
105°C volatile matter %≤	0.06	0.3	0.4
Specific surface area (m²/g)%≥	60	50	45
Particle size um	20-40(um)	25-40	25-40