Properties of white fused alumina
White fused alumina is made of high-quality aluminum oxide powder as raw material, which is refined and crystallized by electrofusion. It has high purity, good self-sharpening, acid and alkali corrosion resistance, high-temperature resistance, and stable thermal performance; its hardness is slightly higher than that of brown corundum, and its toughness is slightly lower. It has a strong grinding ability, low calorific value, and high efficiency; it can be used to make abrasive tools, which can be used for grinding fine-grained abrasives such as high carbon steel, high-speed steel, and stainless steel, as well as precision casting and advanced refractory materials.
White fused alumina can be used as a solid structure and coated abrasives. Wet or dry blasting sand is suitable for crystal and electronic industries It is suitable for processing hardened steel, alloy steel, high-speed steel, high-carbon steel, and other materials with hard hardness and high tensile strength. White corundum abrasive can also be used as a catalyst, insulator, and precision casting sand.
The traditional preparation of White fused alumina is to smelt the raw materials at a high temperature in an electric arc furnace to produce white corundum blocks. that is, sintering white corundum micropowder, which is to shape the powdery raw material and heat it at a temperature lower than its melting point to make it adhere, bond, eutectic, and recrystallize to each other under the action of additives. The sintering is dense and has a specific performance.
-
Thermal storage alumina balls
The Thermal storage alumina ballsis made of industrial alumina and refractory kaolin as the main raw materials through scientific formula, forming and high-temperature calcination.Thermal storage alumina ballss are divid··· -
Anti-stripping high alumina brick
Use description of Anti-stripping high alumina brick1. Anti-stripping high alumina brick has a good application in low temperature parts such as large and medium-sized cement precalciner, kiln smoke chamber, indoor decom··· -
Anti-stripping high alumina bricks
Anti-stripping high alumina bricks are made of high alumina bauxite clinker, mullite, kyanite, zircon sand, and binder after granulating and powdering processes, mixed in a certain proportion, pressed into shape, and fir··· -
silica hot repair refractory
Performance index of silica hot repair refractoryThe material is a kind of plastic unshaped refractory material, its main component is SiO2, it is made of special clinker and various binders and additives, and it is proc···