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black fused alumina for abrasives tools

China

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450 ~ 650 / Metric Ton Get Latest Price

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450 per Metric Ton

10 Metric Ton

25kg pvc bag

10 working days

5000 Metric Ton per Month

L/C, T/T

Black fused alumina

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Product Description

Black fused alumina is also known as low aluminum corundum, black fused aluminum oxide, black aluminum oxide, and black corundum. It is also a new type product of polishing material, and it is a dark gray crystal body made α-Al2O3 and ferropicotite as main ore in the electric arc furnace by smelting the bauxite. Black fused alumina is characterized by low Al2O3 and a certain amount of Fe2O3 (10% more or less) content, so it has characteristics of moderate hardness, high toughness, high temperature resistance, and stable thermal stability. It is mainly suitable for free grinding, such as coarse grinding before electroplating products, mainly for polishing and sandblasting of stainless steel, fabricated metal products, optical glass, bamboo products, and it is also new abrasive for manufacturing resin grinding wheel, cut-off wheels and emery cloth. The black fused alumina of J.L Group concentrated basic tablets, with the characteristics of strong cutting power, high toughness, high flexibility, good abrasion resistance and high working efficiency, which is the best product for grinding and polishing, sandblasting stainless steel products.

Applications

For free grinding, such as glass industry

For non-slip of airport and road, chemical factory board paving

For produce ceramic grinding wheel, resinoid grinding wheel, grinding stone,

For free grinding, such as coarse grinding before electroplating products.

For polishing and sandblasting of stainless steel, fabricated metal products.

For investment casting technics of stainless steel and aluminum casting in coating.

For sand paper, sand cloth, sand belt, Polish wax, abrasive paste, coating etc...

For abrasion and high temperature resistant in steel metallurgy, various industrial stoves

For various material workpieces to decontaminate, prevent corrosion, remove oxide skin

 

 

Chemical Analysis



























 
Specifications Main Chemical Composition %
Al2O3 Fe2O3 SiO2 TiO2
BA—1 81-85 6-9 5-8 2-4
BA—2 75-80 9-12 8-10 4-6

 

Physical properties



































 
Item Indicators
Color Black
Crystal Trigonal system
Hardness (Mohs) ≥ 9.0
Melting point (°C) 2050
The maximum temperature (°C) 1850
True Density (g/cm3) ≥ 3. 50
Linear expansion coefficient (0-1600 °C) 7-9

Contact Us

Contact Person : Gene

Company:J.L INTERNATIONAL GROUP LIMITED

Address:Zhengzhou, Henan, China,

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Gene < J.L INTERNATIONAL GROUP LIMITED >
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