Type:Silica Quartz Application:Surface coating Grade:Silica Ultra Fine-500 SiO2 Content (%):99.9% Fe2O3 Content (%):Max 0.01% Al2O3 Content (%):0.03% MgO Content (%):0.001% CaO Content (%):0.032% P2O5 Content (%):0.0002% Purity:5N Product Name:Fused Quartz Sand for Precision Casting Color:White Keywords:Fused Diameter:10mm-600mm Material:Pure Quartz Usage:Foundry, refractory Show More