Hongtai brown fused alumina for Brown Fused Alumina (BFA) A) High hardness B) High toughness C) We produce in accordance

Brown Fused Alumina abrasive is electrically fused in an arc furnace from a mixture of bauxite, coke (anthracite) as main raw materal at high temperature.

It's chemical composition contains

Al2O3, TiO2, and small amount of SiO2, and Fe2O3, etc,.

Microhardness:1800-2200 kg/mm2,

toughness higher than silicon carbide.

Abrasive articles made of it is suited for grinding metals of high-tensile strength such as steel, annealed malleable iron and hard bronze etc..Browm fused alumina can also be used for making high-class refractory products.

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Hongtai abrasives brown fused alumina for Cutting-off Wheels