White Corundum_white Corundum Powder
[Product Specifications]: Various specifications of white corundum micro powder, fine powder, segmented sand, granular sand 【Production Capacity】: 50,000 tons/year [Scope of application]: Widely used in refractory materials, bonded abrasives, coated abrasives, precision casting, casting...
Product Specifications
Various specifications of white corundum micro powder, fine powder, segmented sand, granular sand.
Production Capacity
50,000 tons/year
Scope of application
Widely used in refractory materials, bonded abrasives, coated abrasives, precision casting, casting coatings, various high-end products, crafts or hardware and other products for surface beautification. It is also suitable for refractory bricks, castables, Shuikou skateboard, etc.
Products Description
White corundum and white corundum micro-powder is made of high-quality aluminum oxide powder as raw materials, and is crystallized by electromelting. It has high purity, good self-sharpness, acid and alkali corrosion resistance, high temperature resistance and stable hot state performance. It has slightly higher hardness than brown corundum, slightly lower toughness, high purity, good self-sharpness, strong grinding ability, low heat output, high efficiency, acid and alkali corrosion resistance and high temperature thermal stability. It is used to make abrasive tools, suitable for grinding high carbon copper, high speed steel and so on. White corundum powder is widely used, such as polly or acrylic art atomized aesthetic processing, sandblasting in the process of TV screen, high-grade refractory materials and other ceramic additives.
White corundum and white corundum micro powder are made of high-quality alumina powder as raw materials and crystallized by electrofusion refining. They have high purity, good self-sharpening properties, acid and alkali corrosion resistance, high temperature resistance, and stable thermal properties. Its hardness is slightly higher than brown corundum. , slightly lower toughness, high purity, good self-sharpening, strong grinding ability, low calorific value, high efficiency, acid and alkali corrosion resistance, high temperature resistance and good thermal stability. Use it to make abrasive tools, suitable for grinding high-carbon copper, high-speed steel, etc. White corundum micro powder has a wide range of uses, such as atomization aesthetic processing of polyurethane or acrylic artworks, sandblasting in the TV screen manufacturing process, additives for advanced refractory materials and other ceramics, etc.
Application scope
Abrasives: Mainly suitable for: sandblasting, grinding, polishing, cutting discs, grinding wheels, bonded abrasives, coated abrasives, etc.
Refractory materials: precision casting, refractory bricks, castables, etc.
Technical Parameters
White corundum chemical indicators:
| Chemical composition | Al2O3 % _ _ _ | SiO 2 % | Fe2O3 % _ _ _ | Na2O % _ | L.O.I% | Bulk density g/cm 3 |
| White corundum index | ≥99.5 | ≤0.1 | ≤0.1 | ≤0.35 | 0.1 | 3.50 |
| White corundum micro powder | ≥99.0 | ≤0.2 | ≤0.2 | ≤0.45 | 0.1 | 3.50 |
White corundum physical performance indicators:
| project | index |
| color | pure white |
| Crystal form | Trigonal crystal system |
| Hardness (Mohs) | ≥9.0 |
| Melting point (℃) | 2250 |
| Maximum operating temperature (℃) | 1900 |
Hot Tags: white corundum_white corundum powder, China white corundum_white corundum powder manufacturers, suppliers, Brown Fused Alumina, refractory aluminosilicates, extrusion refractory, refractory for boilers, refractory phosphate silicates, refractory rhenates
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