Zibo Xinfumeng Chemicals Co., Ltd.
Zinc Borate
Brief introduction: Zinc borate is also named anhydrous zinc borate.It is white powder. Density is 2.67g/cm3. The melting point is 980?.The refractive index is 1.58. Insoluble in water, alcohol. But soluble in chlorhydric acid, sulfuric acid.
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Zinc borate is inorganic addition flame retardant. it has good hot stability, stops buring and vanishes smokings. It can replace antimonous oxide but also be used with other inorganic flame retardant. Widely used in rubber, plastic, wood, cable, coating, etc. Zinc borate, modified can completely replace zinc borate. It have the advantage of lower price, better effect stops buring and vanishes smokings.
- The white degree % : 95
- Appearance water % ≤ : 1.0
- Zinc oxide ZnO, % : 37.0 - 40.0
- Oxidation boron B2O3 , % : 45.0 - 48.0
- Calcination weightlessness % : 13.5 - 15.5
- Residue on sieve (Pass 325 mesh) % ≤ : 1