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High Purity White Fused Alumina For Refractory And Sandblasting - China

price: check with company for price

White fused alumina is produced from high purity alumina in electric arc furnaces at temperatures over 2000℃ under carefully controlled conditions. which is followed by a slow solidification process and crushed into different grit sizes for different applications.

White fused alumina has a very high purity with Aluminium Oixde(Al₂O₃) content over 99%, low impurities(Na₂O less than 0.4%) , The high alumina content is ensured from high grade calcined alumina as raw material.
White fused alumina is also characterized by high hardness of mohs 9, the chemical stability at very high temperatures, great self-sharpening, superior acid and alkali resistance, and stable thermal performance.
Compared with Brown fused alumina, white fused alumina has a higher hardness , slightly lower toughness and better performance of self-sharpening, stronger grinding ability, better cutting and less heat emitting than brown fused alumina
Physical Index:
True density 3.96g/ cm³
Hardness 2000~2200kg/ mm²
Refractoriness ≥1850℃
Max useable temperature 1900℃
Chemical composition:
Grit size Al₂O₃ Na₂O
F12-220 ≥99.20 ≤0.40
F230-400 ≥99.00 ≤0.50
F500-1200 ≥99.00 ≤0.50
Size Available:
Abrasives F8-F1500, P12-P220, JIS240-JIS3000
Refractory 0-1mm, 1-3mm, 3-5mm, 200 mesh, 325mesh
Other special spec. could be supplied as required.
Applications:
White fused alumina is widely used as raw material in many aspects like refractory, grinding, ceramic shapes, sandpaper, sanding belts, sandblasting media, metal preparation, laminates, coatings, lapping, polishing, grinding wheel, aerospace applications. metal&ceramic surface preparation and hundreds of other applications.
It is recommended for all kinds of abrasive tools. The character of less heat emitted during grinding process makes it suitable to grinding high carbon steel, high speed steel, stainless steel and other fine-grained abrasives, and it’s also used as loose grains for bonded and coated abrasives
White fused alumina is a high grade refractory material which has excellent performance in purity, chemical stability or advanced refractory applications. Application in refractory material such as castables, high alumina bricks, consistent castings, refractory bricks, refractory castables, pre-cast refractory shapes and other unshaped refractory products, ect.
White fused alumina’s also suitable for critical areas like precision blasting and vitrified abrasive where non-ferrous and non-silica grinding are required.
White fused alumina is suitable for special applications where contamination is an issue to be considered.


Company Contact:


  • Phone: +86-0371-86038317

  • Address: Room 536, Building A, Xinyuan International Square, South Jianshe road, Zhongyuan District Zhengzhou, Zhengzhou, Henan, China

  • Email: Email


Published date: July 6, 2016 -

  • Business Description: Henan HengXin Industrial & Mineral Products Co.,Ltd started business in 1998, is one of the leading suppliers of abrasive and refractory materials in China. We put our business reputation at the first position all the time. And we always adhere to supply good quality products at better price with best service and technical support.H&X's business focuses on a variety of abrasive grains, powder for abrasive tools, grinding, polishing, sandblasting, etc. Refractory materials for melting, foundry, etc. Minerals for ceramic, glass and construction, including silicon carbide, fused aluminum oxide, fused silica, silica, garnet

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