| CAS No. |
1332-07-6 |
| Place of Origin |
China (Mainland) |
3.5 H2O Zinc Borate Specification: Item/Grade Zinc borate 2335( 2ZnO.B2O3 3.5H2O)Excellent gradeFirst gradeWhiteness 9995Surface water%≤ 0.51.0Particle size, um 3-73-7ZnO, % 37.0-40.0B2O3 , % 45.0-48.0Loss on ignition,% 13.5-15.5Fineness (Residue on 45um sieve ), % ≤ 0.1Specific gravity, g/cm3 2.67Melting pointoC; 980Temp. of dehydrationoC>320Refractive index 1.58