Sell brown aluminium oxide a-20b( china) @China (Mainland)

This kind of Brown Aluminium Oxide grain normally used in blasting or polishing applications, such as removal of oil, grease, dirt, loose mill scale, lacquer kicking off, cloth grinding, glass blasting and other applications. Usually we call it blasting grade BFA sand. Typical Chemical Analysis Al2O3 Fe2O3 TiO2 SiO2 92.13% 2.38% 2.98% 2.10% Physical Properties Color Dark brown Shape Blocky, tough and sharp Crystal Form Alpha-alumina trigonal system True Specific Gravity 3.96 g/cm3 Hardness 2090 Knoop scale; 9.0 Mohs scale Melting Temperature About 2050

Post by Chang Hongbo    Mechanical Parts & Fabrication Services    @2012-12-12 03:16:35