Black Fused Alumina for Sandblasting
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black fused alumina
We can supply high quality Black Fused Alumina (Black aluminium oxide) , at competitive price from China.
Black Fused Alumina has 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 the right material for making abrasive tools: Fiber- reinforced cutting wheels, grinding wheels, sand cloth, paper and paste.
Chemical specifications by weight %
Grit Al2O3 SiO2 Fe2O3 TiO2
24#-100# 77.00Min 11.0Min 5.0Min 1.5-3.5
120#-200# 75-81 9-12 4-6 2-3
240#-280#w40 64.0Min 10.0Min 7.0Min 1.5-3.0
Available sizes: F14-F500.