Application
industry
Contact
Us
Add: Longda Industrial
Park,Gudi Street,Weifang City,China longda@wflongda.com
Products
Chemical grade zinc oxide
Standard:
Item
Index
Model
Top grade
First grade
Qualified product
Zinc oxide (as ZnO)%，≥
99.7
99.5
99.4
Metals (as dry)%，≤
No
No
0.008
Lead oxide (as Pb)%，≤
0.037
0.05
0.14
Manganese oxide (as Mn)%，≤
0.0001
0.0001
0.0003
Copper oxide (as Cu)%，≤
0.0002
0.0004
0.0007
Insoluble matter in HCl%，≤
0.006
0.008
0.05
Loss on ignition%，≤
0.20
0.20
0.20
Residue on sieve (45um) %，≤
0.10
0.15
0.20
Water soluble matter %，≤
0.10
0.10
0.15
Volatile matter on 105o C%，≤
0.3
0.4
0.5
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Uses: "Longdaxin" Chemical grade zinc oxide is widely used in the production of zinc stearate, zinc bromide, zinc borate, phosphorizing liquid, can also be used to produce electroplating solution.