Zinc Borate Anhydrous 1)MF:ZnO B2O3 2)Purity:ZnO:43-44%;B2O:50-52%. 3)Form:White Powder 4)Package: ... 1g/KgIndex of Refraction: 1.83 2)Usage:Anhydrous Zinc Borate is widely used in producing ceramic glaze,silastic ... size, um6-86-8ZnO, %43-44B2O3 , %50-52Loss on ignition,% 500°C 1Pb % ≤ 0.0005Cd % ≤ NDCr % ≤ NDHg % ≤ ND 4) ... storage and transportation with acids is allowed. Zinc Borate Anhydrous