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Brown Fused alumina:
Brown Fused Alumina
Properties: The bauxite, coke (anthracite) as main raw material, by smelting at high temperature in the EAF, the main chemical composition: Al203, Ti02 also small amounts of Si02 and Fe203. Characteristics: higher toughness than SiC, Micro hardness 1800-2200kg/mm2, bulk density ≥ 3.85g/cm3, high temperature, high refractoriness 1850oc.
Usage: made for abrasive, suitable for grinding high tensile strength metal, such as a variety of general-purpose steel, malleable iron and hard bronze, etc. it can also create high-level refractory material.
CHEMICAL COMPOSITION OF BROWN ALUMINIUM OXIDE
Range of Grit Sizes |
Chemical Composition%(by weight) |
|
Al2O3 |
TiO2 |
|
4#-90# |
94.50-97.00 |
1.50-3.80 |
100#-180# |
≥93.50 |
1.50-3.80 |
220#-240# |
≥92.50 |
1.50-3.80 |
Main functions:
(1) as there is high temperature, corrosion resistance, high strength properties, it poured with steel sliding gate, smelting rare metals, special alloys, ceramics, iron-smelting furnace of the lining (walls and tubes); physical and chemical containers , spark plugs, heat-resistant anti-oxidation coating.
(2) due to high hardness, wear resistance, high strength characteristics, in the chemical system, used for a variety of reaction vessels and pipelines, chemical pump parts; to do mechanical parts, various molds, such as the Roberts mold, extrusion die nozzle pencil lead, etc.; do tool, die grinding, bullet-proof material, the human body joints, sealing ring mold.
(3) corundum insulating materials, such as lightweight corundum brick, corundum hollow ball and fiber products, widely used in a variety of high-temperature kiln furnace walls and roof, both high-temperature insulation
1.Specifications
Our brown fused alumina Al2O3 contains High TiO2 which makes it an extremely durable,could also be used in Ceramic except normal usage.
brown fused aluminaal2o3are the perfect material specifically manufactured to be used for general abrasive applications in bonded abrasive tools, and lapping and polishing processes. While aluminum oxide has lower hardness and abrasive capacity than diamond, boron carbide, and silicon carbide, it is widely used for grinding ferrous materials, finishing tough and hard materials, filling up ceramic parts when the processing cost is important.
Specifications in general :
Abrasives: F 1#-63# 4#-80# 90-#150# 180#-240#
Section: 0-1mm, 1-3mm, 3-5mm, 8-12mm, 25-0mm, 10-0mm, 50-0mm, 30-0mm,
Refined powder: 180#-0, 200#-0, 320#-0
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