Brown Aluminum Oxide

Brown corundum abrasive, the main component is Al2O3, has medium hardness, high toughness, sharp particles, relatively low price, and is suitable for processing metals with high tensile strength. Microcrystalline corundum abrasive and black corundum abrasive are both derived varieties.

According to the residual carbon content, brown corundum can be divided into: calcined brown corundum C ≤0.05%, low-carbon brown corundum C ≤0.10%, ordinary brown corundum C ≤0.15%. Among them, low-carbon brown fused alumina has been reprocessed before furnace and special process to reduce the residual carbon content in brown aluminum oxide, so that the product will not pulverize and burst during use, and has high toughness. It is the first choice for abrasives and refractory industries raw material. At present, low-carbon brown fused aluminum oxide is mainly used in ceramic abrasive tools, high-grade abrasive tools, organic abrasive tools, abrasive belts, coated abrasive tools, etc.

Abrasives usually include two categories: ordinary abrasives and superhard material abrasives:
1. Ordinary abrasives refer to abrasives made of the above-mentioned ordinary abrasives, according to the combination of abrasives, it can be divided into bonded abrasives and coated abrasives, and according to different bonding agents, it can be divided into series of ceramic abrasives, resin abrasives, rubber abrasives, and magnesia abrasives.

2. Abrasive tools made of superhard materials are mainly filled with superhard materials such as metal powder, metal oxide or CBN, and ordinary abrasives (such as Al2O3, SiC, etc.) can also be added appropriately, resin bond or vitrified bond or metal Abrasives made of bond.

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