Ceramic Sand Ceramic Sand has lower cost and better performance than Chromites sand and Zircon sand, it will provide the effective ways to improve the quality of the foundry part, reduce cost and friendly to the environment. The chemical and physical characteristics are Ceramic Sand Properties Main Chemical Element Al2O3: 75 % Min Fe2O3: 5 % Max TiO: 5 % Max SiO2: 5~20 % KO: 1.5 % MgO: 0.5 % Ca: 0.55 % Shape Ball Shape Bulk Density (g/cm3) 1.95~2.05 Refractoriness ( ̊C min) 1790 Thermal Expansion 0.13 % pH 7.5 Ceramic Sand has advantages as… Read more…