Оптовая продажа с завода огнеупорные кастинги боксита AL2O3


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Products Description


The scientific name of bauxite is bauxite, bauxite. Its composition is extremely complex, and it is a general term for a variety of hydrous alumina ores with very different geological sources. Such as boehmite, diaspore and gibbsite (Al2O3·3H2O); some are composed of diaspore and kaolinite (2SiO2·Al2O3·2H2O); some are mainly kaolinite, and with The increase of kaolinite content constitutes general bauxite or kaolinite clay. Bauxite is generally formed by chemical weathering or exogenous action. There are few pure minerals and always contain some impurity minerals, more or less clay minerals, iron minerals, titanium minerals and clastic heavy minerals.


specification


Classifications
Chemical Component %
Refractoriness
Bulk Demsity
Al2O3
CaO
Fe2O3
°C
g/cm3
Superfine
>85
<0.6
<1.4
>1790
>3.6
Level 1
>80
<0.6
<3.0
>1790
>3.0
Level 2A
70~80
<0.8
<3.0
>1790
>2.8
Level 2B
60~70
<0.8
<3.0
>1770
>2.65
Level 3
50~60
<0.8
<2.5
>1770
>2.55


Application


Application
⑴ aluminum smelting industry. For national defense, aviation, automobiles, electrical appliances, chemicals, daily necessities, etc.

⑵ precision casting. The bauxite clinker is processed into fine powder to make a mold and then precision cast. For military, aerospace, communications, instrumentation, machinery and medical equipment sectors.

⑶ used for refractory products. High alumina bauxite clinker has a refractoriness of up to 1780℃, strong chemical stability and good physical properties.

⑷ 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. Used in steel, non-ferrous metallurgy, electronics, petroleum, chemical industry, aerospace, atomic energy, national defense and other industries.

⑸ Using magnesia and bauxite clinker as raw materials and adding appropriate binder, it is very effective for pouring the overall lining of the ladle.

⑹ Manufacture of bauxite cement, abrasive materials, various compounds that can be used to make aluminum in ceramic industry and chemical industry.



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