White Fused Alumina Oxide

White corundum and brown corundum have different effects for sandblasting and derusting:

The two materials are most important industrial abrasives, they are the hardest fused alumina materials manufactured artificially, their hardness is second only to diamond, and their price is lower than that of diamond, they have better product stability and wider uses. But what are the similarities and differences between brown fused alumina and white fused alumina ?

First of all, the main components of brown fused alumina oxide and white  fused alumina oxide are alumina, and the amount of alumina content determines the quality and hardness of the two products, the alumina content of brown is slightly lower than that of white one, between 80% and 95%; the alumina content of white must reach more than 99%, because the impurity content of the two kinds of corundum is different, its appearance color can be divided into brown and white.

In terms of usage, both can be used for coating, making consolidated abrasive tools, blasting and derusting industrial castings, polishing and grinding precision workpieces, and refractory materials. However, alumina white is more focused on the processing of high-precision products, which can achieve a more delicate processing effect, in terms of sandblasting and derusting technology, brown aluminum oxide is generally used for sandblasting and derusting of large workpieces such as ship hulls and oil pipelines, because the requirements for precision of such large workpieces are relatively low, and the price of brown fused alumina is low , Choose brown to save business costs when used on a large scale, for fine grinding operations of some precision instruments such as jade, gold, crystal, agate, etc., white must be used, and even white fused aluminum oxide plays a pivotal role in aerospace precision instruments.

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