Introduction white corundum:
The raw material of white corundum is AL2O3. The production process is that after the alumina is smelted into a block in a high temperature furnace by a high temperature, it is broken into small pieces by a jaw crusher, and then crushed by a ball mill for secondary crushing, magnetically removed and then sieved into various models. The micropowder needs to be pickled and removed.
White corundum has high purity, good self-sharpness, low calorific value, strong grinding ability, and good corrosion resistance. It has higher hardness than brown corundum, but it has no toughness of brown corundum.
White corundum characteristics:
1. High alumina content and high hardness
2. self-sharpening, acid and alkali corrosion resistance
3. high temperature resistance, stable thermal performance,
4. Strong grinding ability, low heat generation and high efficiency.
Chemical Composition
AL2O3 99.2-9 9.7;
Fe2O3 0.03-0.1;
Na2O 0.23-0.32;
SiO2 0.03
Main Physical Properties
Mohs hardness:9
Bulk density:1.75-1.95g/cm3
Real density:3.95
Melting point:2250
Application
1. Surface processing of auto parts manufacturing plants, stone factories, glass factories, glasses factories, electronics factories, etc.
2. Atomizing aesthetic processing of glass or acrylic art;
3. Fine grinding and polishing of the workpiece
4. Matting or matte treatment of gold, precious metal products, mobile phones, flat panels, etc.
5. Application of stress removal for aircraft turbine blades, aircraft wings, aircraft landing gear support beams, etc.
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Fasteners are the general term of the class of mechanical parts used in fastening two or more parts (or components) into a whole. It is widely used in energy, electronics, electrical appliances, machinery, chemical, metallurgy, mold, hydraulic and other industries, at the same time, in various kinds of machinery, equipment, vehicles, ships, railway, bridge, construction, structure, tools, instruments, chemical, instruments and supplies, you can see all kinds of fasteners, is the most widely used mechanical foundation parts. It is characterized by a wide variety of variety specifications, different performance uses, and a very high degree of standardization, series, and generalization. Therefore, a class of fasteners that already have national standards is called standard fasteners, or simply standard ones.
