CAS No.: | 12767-90-7 |
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Formula: | 2ZnO. 3b2o3. 3.5H2O |
EINECS: | 215-566-6 |
Appearance: | Powder |
Grade Standard: | Industrial Grade |
Particle Size: | 2-3 Micron |
Samples: |
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Customization: |
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Molecular Formula: 2ZnO.3B2O3.3.5H2O
Molecular Weight: 434.5
1.Technical Index
Appearance |
Boric Oxide(%) |
Zinc Oxide(%) |
Free Water≤(%) |
Firing Loss(%) |
D50(um) |
White Powder |
46-48 |
37-40 |
0.6 |
13.5-14.5 |
3-5 |
2.Application
Zinc borate is of inorganic additive flame retardant, with the features of good hot stability, being resistant to firing and eliminating smoke. In some products, it can replace antimony trioxide, and can be mixed with other inorganic flame retardants with better effect. It is widely applied at the sectors of rubber, plastic, cable, timber, coating, tarpaulin, etc.
3. Shipping Information
UN Number: 3077
UN Proper Shipping Name: Environmentally Hazardous Substance, Solid, N.O.S.
Transport Hazard Class(es): 9
Packing Group: III
Environmental Hazards: Marine Pollutant
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