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Specifications

Zinc Oxide
CAS No.: 1314-13-2 
Other Names: zinc white 
 MF: ZnO
 EINECS No.: 215-222-5 
 Purity: 80%~99.7% 
Our Zinc Oxide Grades:
Indirect process Zinc Oxide, Direct Process Zinc Oxide,Calcined Zinc Oxide, Zinc Oxide, Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, etc.
  
1.Specifications:
Item/Parameter 
Standard 
Zinc Oxide (in accordance with dry materials) % ≥ 
ZnO 99.5% 
ZnO 99%
ZnO 98%
ZnO 95%
ZnO 90%
Lead oxide (PbO)% ≤
0.12
0.2
1.0
3.0
4.0
Cadmium oxide (CdO) % ≤
0.02
0.05
--
--
--
Cupric oxide (CuO) % ≤
0.006
--
--
--
--
Manganese (Mn) % ≤
0.0002
--
--
--
--
Metallic Zinc (in accordance with Zn) %
None
None
--
--
--
Muriatic Acid Insoluble Substance % ≤
0.03
0.04
0.5
0.7
2.0
Loss On Ignition % ≤
0.4
0.6
0.7
1.0
5.0
Water Soluble Substance % ≤
0.4
0.6
0.7
1.0
3.0
Sieve Residue (45um mesh ) % ≤
0.28
0.32
0.5
0.5
0.5
Volatile % ≤
0.4
0.4
0.5
0.5
0.5

2. Property:
Hexagonal crystal of white or powder, no smell, be insoluble in water , alcohol , dissolve in acid , sodalye aqueous solution , ammonium chloride.
 3.Application: 
 Zinc Oxide can be added into various materials and products, including rubber  industry, plastics, ceramics, glass, cement, lubricants, paints, ointments, adhesive, sealants, pigments, foods, batteries, ferrites, fire retardants, etc.
 4.Packing:
It is packed with polyethylene bag as liner,and a compound plastic woven bag as the outer layer.The net weight of each bag is 25kg.
 5.Storage and transport:
It should be stored in a dry,ventilative and clean warehouse;kept away from moisture and hot.