Aluminium Oxide Brown & Black For Sand Blasting And Abrasive Tools
Brown fused alumina is made from high quality bauxite by fusing in an electric arc furnace at high temperature. It has good toughness and high hardness. It is suitable for manufacturing of vitrified and resinoid tools, and for lapping polishing and blasting. It can be used to make superior refractories.Brown fused alumina:1. Abrasive grade:Chemical composition (% by weight)Range of grits | al2o3 | tio216# -90# | 94. 5-97. 0 | 1. 5-3. 8100# -180# | 93. 5 min | 1. 5-3. 8220# -240# | 92. 5 min | 1. 5-3. 82. Black fused alumina:With good features as high hardness, strong tenacity, better bonding ability and hydrophilicity, giving less heat, good self-sharpening, smooth surface and high finish. It`s suitable for polishing various spare parts such as: bicycles, sewing-machine, hard metal tools, medical apparatus, timepieces, glass products and stone grinding. It`s also theRight material for making abrasive tools: fibre-Reinforced, cutting wheels, grinding wheels, sand cloth, paper and paste.Chemical composition (by weight% ) :Al2o3 sio2 fe2o3 tio224# 77. 00 / 11. 0 / 5. 0 / 1. 5-3. 5120# 75-81 / 9-12 / 4-6 / 2-3240# 40 64. 0 / 10. 0 / 7. 0 / 1. 5-3. 0Available size: f10-f500.
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