A Reliable Calcined Bauxite Supplier in China
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aluminum smelting industry. Used in national defense, aviation, automobiles, electrical appliances, chemicals, daily necessities and so on.
Precision casting. Bauxite clinker is processed into fine powder and cast into mold after precision casting. Used in military, aerospace, communications, instrumentation, machinery and medical equipment departments.
For refractory products. High bauxite clinker refractoriness up to 1780℃, strong chemical stability, good physical properties.
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 shock resistance. Used in steel, nonferrous metallurgy, electronics, petroleum, chemical industry, aerospace, atomic energy, national defense and other industries. It is to put high aluminum clinker into the melting temperature of about 2000 ~ 2200℃ high temperature arc furnace, after high temperature melting, high pressure high speed air or steam blowing, cooling, it becomes white "cotton" - aluminum silicate refractory fiber. It can be pressed into fiber blanket, board or woven cloth instead of smelting, chemical, glass and other industrial high-temperature kiln lining refractory brick. Firemen can use refractory fiber cloth to make clothing.
With magnesia and bauxite clinker as raw materials, adding appropriate bonding agent, for pouring the whole steel drum lining effect is very good.
The manufacture of bauxite cement, abrasive materials, ceramic industry and chemical industry can produce various compounds of aluminum.
Technical conditions for the quantity of bauxite for refractory materials
| Grade | Chemical composition /% | Refractoriness | Volume Density | ||
| Al2O3 | CaO | Fe2O3 | |||
| Super | >85 | <0.6 | <2.0 | >1790 | >3.0 |
| Level 1 | >80 | <0.6 | <3.0 | >1790 | >2.8 |
| Level 2 A | 70~80 | <0.8 | <3.0 | >1790 | >2.65 |
| Second level B | 60~70 | <0.8 | <3.0 | >1770 | >2.55 |
| Level 3 | 50~60 | <0.8 | <2.5 | >1770 | >2.45 |
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