| Customization: | Available |
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| Feature: | High-Temperature Resistant |
| Refractoriness (℃): | Refractoriness> 2000 |
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Bauxite is a natural, very hard mineral and is primarily comprised of aluminaum oxide compounds (alumina), silica, iron oxides and titanuim dioxide, approximately 70 percent of the world's bauxite production is refined through the bayer chemical process into alumina.
Calcined Bauxite is produced by sintering high-alumina bauxite in rotary, round or shaft kilns at high temperatures. This process of calcining (heating) bauxite in kilns removes moisture and gives Calcined Bauxite its high alumina content and refractoriness, low iron, and grain hardness and toughness. Its thermal stability, high mechanical strength and resistance to molten slags make Calcined Bauxite an ideal raw material in the production of many refractory, abrasive and specialty product applications.
Applications
(1) Aluminum smelting industry.
(2) Precision casting. Bauxite clinker is processed into fine powder and then cast.
(3) For refractory products. High bauxite clinker refractoriness up to 1780ºC, strong chemical stability, good physical properties.
4) Aluminum silicate refractory fiber. It has the advantages of light weight, high temperature resistance, good thermal stability, low thermal conductivity, small heat capacity and mechanical vibration resistance.
(5) Using magnesia and bauxite clinker as raw materials and adding appropriate binder, it can be used for casting steel barrel lining.
(6) Manufacturing bauxite cement, grinding materials, ceramic industry and chemical industry can be made of aluminum compounds.
Bauxite can be divided into three categories: bauxite raw material, light-burned bauxite, and bauxite clinker. Depending on its grain size, it is categorized as aggregate or powder. The main component is alumina, which is hydrated alumina containing impurities and is an earthy mineral. White or off-white, brownish-yellow or light red due to iron content. The Density of the bauxite is around 3.9-4g/cm3, its hardness is about 1-3, opaque and brittle. It is extremely hard to melt and insoluble in water, but soluble in sulfuric acid and sodium hydroxide solution.
Cooked bauxite is smelted from raw bauxite by high temperature heating in rotary kiln, shaft kiln or inverted flame kiln.
Product Specification
Aggregate, raw material, clinker and fine powder (specifications for 100 mesh, 200 mesh, 250 mesh, 300 mesh, etc., can also be customized according to customer needs)
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1 MT big bag or 25kg paper bag *40 bags on one pallet ;
As per customer's requirement
We are an owner of bauxite ore and refractory manufacturer in China who processes whole production lines from bauxite calcining to BFA block crushing & Screening with an 50,000TPA and accredited to the standards ISO 9001:2008 Quality, ISO 14001:2004 Environment as well as OHSAS 18001:2007 Health and Safety.
This advantage enable us to provide products not only high-class aluminum oxide sand, but also premium corundum along with meeting established ANSI, FEPA, JIS and individual customer specifications.
We have various equipment including 7 smelting furnace, 4 grinding miller, 5 ball grinder, a central laboratory, an OMEC particle size analyzer, a Slap sieving machine, a microscope and other high-tech instruments. Our products, with high cleanliness, strong adaptability and stable performance, are exported to Europe, North and South America, Australia, Japan, Korea, Taiwan, Thailand, Singapore, Malaysia and other more than 30 regions and countries, enjoying a good reputation.
1. We are a manufacturer, which can control the cost easier than trade companies also can give you an answer more quickly.
2. As a manufacturer, we know much in technique and can give you more support in technique problems.
3. Professional and experienced service team, specialized in refractory production for 20 years.
4. Our products are complete in specifications of various sizes.
5. We enjoy a good reputation in the customers in domestic and overseas markets.
6. Large production capacity, short lead time of products.
7. 24*7 online service.
Q1: Are you a trading company of a factory?
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