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Sandblasting Media Abrasive Brown Fused Alumina Powder Brown Aluminium Oxide
Brown fused alumina Powder Description
Brown fused alumina is made of high-quality bauxite as raw material, anthracite and iron filings. It is made by arc smelting at 2000°C or higher temperature. It is crushed and plasticized by self-grinding machine, magnetically selected to remove iron, sieved into various sizes, and its texture is dense and hard.
Chemical and Physical Features |
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Items
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Al2O3
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Fe2O3
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SiO2
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Bulk density
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Color
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Application
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Grade I
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≥95
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≤0.3
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≤1.5
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3.85
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Maroon
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Refractory material,
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Grade II
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≥95
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≤0.3
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≤1.5
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3.85
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Black particle
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fine polishing
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Grade III
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≥95
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≤0.3
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≤1.5
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3.85
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Gray powder
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Polishing, grinding
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Grade IV
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≥95
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≤0.3
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≤1.5
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3.85
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Black particle
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Grinding, cutting, sandblasting
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Grade V
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≥95
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≤0.3
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≤1.5
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3.85
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Gray powder
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Polishing, grinding
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Application Scenario
1.Brown fused alumina is suitable for making ceramic and resin bonded abrasive tools, used for grinding metals of high-tensile strength, such as carbon steel, general purpose alloy steel, malleable cast-iron and hard bronze etc.
2. It’s widely used as surface preparation abrasive, cleaning, grinding, polishing of various metals, glass, rubber, mould industries.
3. It also can be used as refractory material.
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