Brown aluminium oxide is fused and crystallized under high temperature from a mixture of bauxite and other and other raw materials. It is characterized by its high hardness, good toughness and shape in size. Abrasives tools made of it are suitable for grinding metals of high-tensile strength such as: carbon steel, general-purpose alloy steel, annealed malleable iron and hard broze, etc. It also can be used as refractory materials. Brown Fused Alumina is widely used in Bonded and Coated abrasives for the grinding of metals. Items Unit Index Typical
Chemical
Composition
Al2 O3 % 95%min 95.5%
SiO2 % 1.50max 1.33%
Fe2O3 % 0.30max 0.18%
Ti2O % 3.50max 2.45%
CaO % 0.30% 0.11%
Melting point 2050
Refractoriness 1980
True Density g/cm3 3.90min
Mohs hardness ------ 9.00min
Grain size mm 0-50, 0-1, 1-3, 3-5, 5-8
Fine powder Mesh -100, -200, -325
Abrasive grade FEPA F12-F30 F150-F220
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Trade Leads Directory -> All Trade Leads -> Industrial Supplies -> Abrasives -> Sell Brwon Aluminium Oxide0-1-3-5mm
