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Characteristics and Applications of Several Common White Corundum Products

Characteristics and Applications of Several Common White Corundum Products

White corundum is made from industrial aluminum oxide powder, which is melted and smelted at high temperatures above 2000 ℃ in an electric arc furnace, cooled and crystallized to obtain white corundum ingots. What are its specific classifications?

06-21

Differences in performance and application range between white and brown corundum

Differences in performance and application range between white and brown corundum

Brown corundum, commonly known as corundum, is a brown artificial corundum made by melting and reducing three raw materials: bauxite, carbon material, and iron filings in an electric arc furnace. The main chemical component is AL2O3, with a content of 95.00% -97.00%, and a small amount of Fe, Si, Ti, etc. It is a fairly basic abrasive, widely used due to its good grinding performance, wide applicability, and low price. Brown corundum is called industrial teeth: mainly used in refractory materials, grinding wheels, and sandblasting.

06-21

Both white and brown corundum contain alumina

Both white and brown corundum contain alumina

White corundum is made from high-quality aluminum oxide powder, which is refined and crystallized by electric melting. It has high purity, good self sharpening, acid and alkali corrosion resistance, high temperature resistance, and stable thermal performance. White alumina has slightly higher hardness than brown alumina, slightly lower toughness, high purity, good self sharpening, strong grinding ability, low heat generation, high efficiency, acid alkali corrosion resistance, and good high-temperature thermal stability. Made of white corundum grit sand, it is suitable for grinding fine-grained abrasives such as high carbon steel, high-speed steel, and stainless steel. White corundum can also be used for precision casting and advanced refractory materials.

06-21

Single crystal corundum can be used to produce single crystal corundum grinding wheels

Single crystal corundum can be used to produce single crystal corundum grinding wheels

Single crystal corundum is made from bauxite as the main raw material, mixed with an appropriate amount of sulfide, and melted at high temperature. It is grayish white or light earthy yellow, with high hardness and toughness. Produced using a special process, each particle size product is naturally crystallized rather than mechanically crushed. It is a heat-resistant * * grinding material with excellent toughness, used for making cutting and grinding tools. It is suitable for grinding high hardness, high toughness materials such as high vanadium high-speed steel, austenitic stainless steel, titanium alloy, etc., especially for dry grinding and grinding of easily deformed and burned workpieces.

06-21

Differences in Characteristics between Single Crystal Corundum and Microcrystalline Corundum

Differences in Characteristics between Single Crystal Corundum and Microcrystalline Corundum

Single crystal corundum: Single crystal corundum is made by co melting bauxite, anthracite, iron filings, and pyrite in an electric arc furnace. Iron oxide, silicon dioxide, and titanium oxide in alumina are successively reduced to form ferroalloys, which deposit from the melt to the bottom of the furnace. A small portion of aluminum oxide reacts with carbon and ferrous sulfide to generate a small amount of aluminum sulfide filled between the single crystal particles. When the frit is cooled and placed in water, the aluminum sulfide dissolves, and the single crystal corundum separated by the aluminum sulfide can be dispersed into natural abrasive particles.

06-21

White corundum is not only a material, but also an abrasive and abrasive material

White corundum is not only a material, but also an abrasive and abrasive material

White corundum is made from aluminum oxide powder by electric melting and smelting. The color is pure white, without impurities, ensuring the color and transparency of the wear-resistant layer or paper. High hardness, dense particles. Single particle has good circularity.

06-21

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