99% or 99.5% zirconium dioxide. CAS No.: 1314-23-4 1. Property: Nonpoisonous tasteless solid. There’re kinds of crystal phase, the monocline, the square and the cubic. Stabilize in alkali and acid solutions (except hot concentrated H2SO4, HF and H3PO4). 2. Uses: Applied in the products and industries as following: sophisticated ceramics, electronic components, additives glass, ceramic glaze color, imitation jewel, fireproofing, polishing materials 3. Packing: 25kg/bag or 25kg/drum 4. Specification: Item Standard Result ZrO2(+Hf) 99.5% min 99.58 SiO2 0.02% max 0.013 TiO2 0.015% max 0.0012 Fe2O3 0.015% max 0.0028 Na2O 0.015% max 0.0024 Cl- 0.015% max 0.0067 Loss of burning 0.3% max 0.23 Mesh 60-150 comply the size can be produced according to customer’s requirement