| Zinc Borate(ZB) |
| Chemical name: | Zinc Borate |
| Formula: | 4ZnO·6B2O3·3.7H2O | |
| CAS Number: | 1332-07-6 |
| EINECS Number: | 215-566-6 |
| MW: | 434.68 |
| General &Use: |
| Plastics and rubber |
| coating and adhesives |
| General Properties |
| Appearance:White crystal powder | Oil Absorption,g:24.5 |
| Refractive Index:1.58 | Specific Gravity@25℃,g/ml:2.7 |
| Physical and chemical properties: |
Item Model | 237 |
| B2O3% | 45.0-48.0 |
| ZnO% | 37.5-39.0 |
Surface water% ≤ | 0.5 |
| Loss on ignation % ≤ | 13.5-15.5 |
| Mean particle diameter µ m ≤ | 5.0 |
| Thermogravimetric Analysis(10℃/min N2) |
| 4ZnO·6B2O3·3.7H2O |
Weight Loss,% 1 5 10 |
Temperature, ℃310 370 420 |
| Solubility |
| Soluble in Chlorhydric acid,Sulfuric acid |
| Insolubile in water,ethanol,acetone and benzene |