White Fused Alumina for Coated Abrasives

The significant chemical composition of white fused alumina is α-alumina (α-Al2O3). White fused alumina is made by electric arc furnace smelting under high temperature with the raw materials of industry alumina powder. It is characterized by high hardness, purity, and abrasion resistance. The white fused alumina P grain has a more aggregative distribution than the F grain, with sharpness and evenly distributive features, bringing more efficiency for surface treatment. White fused fused alumina P grain is widely used in coated abrasive such as abrasive cloth, abrasive paper, abrasive belts, etc.

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White Fused Alumina for Coated Abrasives(FAQ)

How is fused alumina obtained?

Raw materials containing aluminium oxide are electrothermally melted at a reaction temperature of more than 2,000 °C to produce the various fused aluminas. Different starting materials are used depending on the desired type of fused alumina. For instance, bauxite is used for the manufacture of brown and semi-friable fused alumina,

What is the d50 value?

The d50 indicates the mean particle size. d50 means that 50% of particles fall within the specified grain size.

What is silicon carbide?

Silicon carbide is a chemical compound of silicon and carbon and belongs to the group of carbides. The chemical formula is SiC.Silicon carbide is at the same time the hardest and lightest ceramic material and is also highly resistant against acids and alkaline solutions.

What is the specific weight?

The specific weight is the ratio of the weight of a body to its volume. The specific weight of corundum under normal conditions is 3.94 g/cm3.

How is silicon carbide obtained?

Silicon carbide (SiC) is produced from coke and quartz sand applying the Acheson process in an electric resistance furnace. When petrol coke and quartz sand are grouped around a graphite electrode and heated to a temperature of 2,000°C, black and slightly higher-quality green SiC are obtained. Green SiC has a

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