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China High Quality White Corundum 1-2mm Refractory
Thermal resist Al2O3 Electrocorundum, a kind of high-grade refractories, was made from the high-
quality alumina by melting above 2000 in the electric arc furnace and cooling. It is white with the main
crystal phase alpha-Al2O3. The white alumina produced in titling electric arc furnace has the advantage
of high bulk density and low porosity and the volume stability and thermal shock resistance can be improved.
With smelting point up to 2250℃, white aluminum oxide is a high-level refractory material. It has advantages including:
High purity up to 99% Al2O3
Good acid-alkali resistance
Temperature resistance
High thermal stability
High hardness up to Mohs 9.0
| Typical Chemical composition | ||
| Section Sand(1-3mm) | AL2O3 | 99.40% |
| SiO2 | 0.15% | |
| NA2O | 0.28% | |
| Fe2O3 | 0.06% | |
| CaO | 0.03% | |
| Fine powder(200-0#) | AL2O3 | 99.10% |
| SiO2 | 0.16% | |
| NA2O | 0.32% | |
| Fe2O3 | 0.08% | |
| CaO | 0.04% | |
| Typical physical properties | ||
| Hardness: | Mohs:9.0 | |
| Maximum service temperature: | 1900 ℃ | |
| Melting Point: | 2250 ℃ | |
| Specific Gravity: | 3.95g/cm3 | |
| Volume density | 3.6g/cm3 | |
| Bulk density(LPD): | 1.55-1.95 g/cm3 | |
| Color: | White | |
| Particle shape: | Angular | |
| AVAILABLE SIZES | ||
| Section Sand | 0-1mm,1-3mm,3-5mm,5-8mm | |
| Fine powder | 200#-0 320#-0 | |
Al2O3 white fused alumina compound refractory material is an optimal refractory material to make
refractory products:
Section sand 0-1mm,1-3mm,2-3mm,3-5mm,5-8mm:
Shaped refractory products such as refractory bricks
Unshaped refractories aggregates in furnace building
Fine powder -100#,-200#,-320#:
Unshaped refractories castables for ladles
Refractory paint and coatings
Foundry sand in precision casting
Zhengzhou Haixu abrasives co., Ltd, founded in 1 9 9 9, located in Xingyang City, Henan Province, China. With 20 years of production experience and professional technical and marketing team, Haixu Abrasives has established long term cooperation with foreign customers which are from about forty countries including United States, Germany, Italy, Japan, Korea, Russia, Malaysia, and Vietnam.
Zhengzhou Haixu Abrasives Co., Ltd has over 7500 square kilometers workshop for production and QC department with all kinds of testing equipments including Omec, Slap-sieve and microscope, Office for accounting, purchasing, importing, exporting, after-sales service, logistics. HAIXU now become a leading brand in the abrasives material field.
All the materials are produced under professional standards, running under the production standards of GB, FEPA, JIS, and AFS separately. Our staff from Haixu Abrasives are always providing good quality products, professional service, and proper solutions for all clients all over the world.
üWe are a manufacturer, which can control the cost easier than trade company also can give you answer more quickly.
üAs a manufacturer, we know much in technique and can give you more support in technique problem
üProfessional and experienced service team, specialized in abrasive production, more than 10 years.
üOur products are complete in specifications with various of sizes
üWe enjoy a good reputation in the customers in domestic and overseas markets.
üLarge production capacity, short lead time of products.
ü24*7 online service.
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