CAS No.: | 1314-13-2, 1314-13-2 |
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Colour: | White |
Appearance: | Powder |
Usage: | Paint, Paper, Food |
Application Material: | Natural Silk |
Type: | Additives, Natural |
Customization: |
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1. Detail information of zinc oxide
Product name: Zinc Oxide
1.Direct Zinc Oxide 99.5% ~90%, etc.
2.Indirect ZnO: 99.9%~99.7%, etc.
3.Feed Grade ZnO: 75%~65%, etc.
4.Calcined ZnO: 99.5%,
2. Zinc Oxide Grades:
Indirect process Zinc Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide,Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, etc.
3. Property of ainc oxide:
White powder, odourless, relative density 5.606, stable under normal temperature.
Insolubl in water and alcohol, soluble in acid, alkaki and amkonium solution.
Technical Specification for zinc oxide powder:
Item/Parameter |
Standard |
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Zinc Oxide (in accordance with dry materials) % min |
ZnO 99.5% |
ZnO 99% |
ZnO 98% |
ZnO 95% |
ZnO 90% |
Lead oxide (PbO)% max |
0.12 |
0.2 |
1.0 |
3.0 |
4.0 |
Cadmium oxide (CdO) %max |
0.02 |
0.05 |
-- |
-- |
-- |
Cupric oxide (CuO) % max |
0.006 |
-- |
-- |
-- |
-- |
Manganese (Mn) % max |
0.0002 |
-- |
-- |
-- |
-- |
Metallic Zinc (in accordance with Zn) % |
None |
None |
-- |
-- |
-- |
Muriatic Acid Insoluble Substance % max |
0.03 |
0.04 |
0.5 |
0.7 |
2.0 |
Loss On Ignition % max |
0.4 |
0.6 |
0.7 |
1.0 |
5.0 |
Water Soluble Substance % max |
0.4 |
0.6 |
0.7 |
1.0 |
3.0 |
Sieve Residue (45um mesh ) %max |
0.28 |
0.32 |
0.5 |
0.5 |
0.5 |
Volatile % max |
0.4 |
0.4 |
0.5 |
0.5 |
0.5 |
Feed grade zinc oxide powder
Property:Zn:64%min-79.4%min
Surface Area 4.00-5.00m2g
Particle Size 0.18u
Direct process zinc oxide quality meet standard of GB/T3494-1996
Item/Parameter |
Standard |
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Zn |
64% Min |
72% Min |
76.3% Min |
78.7% Min |
79.4% Min |
ZnO |
80% Min |
90% Min |
95% Min |
98% Min |
99% Min |
Pb %max |
0.01 |
0.005 |
0.005 |
0.005 |
0.005 |
Cd %max |
0.005 |
0.003 |
0.003 |
0.003 |
0.001 |
As %max |
0.005 |
0.003 |
0.003 |
0.003 |
0.001 |
Cu %max |
0.01 |
0.01 |
0.01 |
0.0005 |
0.0005 |
Dioxin |
None |
None |
None |
None |
None |
H2O %max |
8.0 |
8.0 |
8.0 |
8.0 |
8.0 |
Loss on Ignition %max |
5.0 |
4.0 |
4.0 |
0.4 |
0.4 |
Water Soluble Substance %max |
5.0 |
3.0 |
3.0 |
0.4 |
0.2 |
Muriatic Acid Insoluble Substance %max |
1.0 |
0.5 |
0.5 |
0.2 |
0.01 |
Screen Residues (80 mesh) %max |
0.5 |
0.1 |
0.1 |
0.1 |
-- |
Screen Residues (325 mesh) %max |
-- |
-- |
-- |
-- |
0.2 |
Bulk Density |
2g/cm3 |
2g/cm3 |
2g/cm3 |
2g/cm3 |
2g/cm3 |
Color (compared with standard sample) |
Offwhite |
Offwhite |
Offwhite |
Offwhite |
White |
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