79% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Raw Material for Refractory

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
3000 m.t./month

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Product Description:

79% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Raw Material for Refractory


Specification:

shaft kiln calcined bauxite:

Al2O3:84.0% MIN    Fe2O3:2.%MAX     TiO2:4.0% MAX    Cao+MgO:0.4% MAX   K2O+Na2O:0.25%MAX 

Bulk Density:2.9 g/cm3 MIN    MOISTURE:4.0%MAX

SIZE:0-1MM  1-3MM  3-5MM 0-5MM  5-8MM  0-50MM

100 MESH  120 MESH  150 MESH  200 MESH  325 MESH

Price:

0-50mm  USD 270/MT  FOB Tianjin

0-1mm 1-3mm 3-5mm 0-5mm 5-8mm   USD  305/MT  FOB Tianjin

200 mesh   USD323/MT  FOB Tianjin

 

Size of 79% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Raw Material for Refractory::

Lumps /Grains:0-1mm,1-3mm,3-5mm,5-8mm /Powders:100mesh, 200mesh,325mesh

 

Calcined Bauxite Grade:

1.Refractory Grade:

Refractory grade bauxite has high refractoriness, good mechanical strength and moderate slag resistance. Bauxite in the refractory industry is typically used in ladle working lining, tundish furniture, delta sections, general perpose repairment, aluminium melting furnace and mineral processing.  

3. Rotary calcined bauxite:

 Rotary Kiln Bauxite, as the name suggests, it is the bauxite produced by rotary kiln. there are three kinds of kilns for bauxite production mainly, rotary kiln, shaft kiln and round kiln.

4. Shaft kiln calcined bauxite:

Shaft kiln bauxite, the bauxite calcined by shaft kiln. the raw material-bauxite ore is loaded from the top of kiln together with coal powder and combustion improver,the fire of calcination comes from kiln bottom, about 1300-1400 After the complete calcination, the bauxite is carried out from the bottom. 

 

Packaging & Delivery

Packaging Details: In bulk or in 1-1.25mr bag

 

Product Pictures:

79% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Raw Material for Refractory

79% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Raw Material for Refractory

79% Rotary/ Shaft/ Round Kiln Alumina Calcined Bauxite Raw Material for Refractory


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Q:What are grade classifications of the external walls fireproofing material?
There are many kind of external walls fireproofing material, according to the document No. 65, the grade of external wall fireproofing material can be divided into: Level A is inorganic insulation non-combustible materials, such as cement foam insulation board, vitrified micro bead thermal insulation mortar, rock wool board, glass wool panels. Level B1 is nonflammable material, mostly are organic material which has added a relatively large amount of flame retardant, such as polystyrene board, extruded sheet, phenolic foam board and polyurethane board. Level B2 is flame-retardant materials, and also known as fire-retardant materials, mostly are organic insulation materials with appropriate amount of flame retardant.
Q:How long is the fire-resistant time of fireproof wooden door?
fire endurance class A (1.5 hours), class B (1.0 hours), class C (0.5 hours).
Q:Which plant need to make refractory mould?
Q:Why the corundum can be used as refractory
Do you need white corundum Its main chemical element of corundum is the 99.3% aluminium oxide and it is sintered byelectric furnace, so it can be used as a refractory raw material, the other can also be used as grinding wheel. It is very useful
Q:Who knows how many kinds of fireproof insulation materials are there in the market?
The so-called A-level materials in fire insulation materials, namely, the WW non-combustible insulation materials, and the WW material s are A-level. Inorganic fireproof and thermal insulation materials can be used as wall insulation materials to replace red bricks, therefore, they, as thermal and cold insulation materials, can reduce the thickness of walls, and save energy, as well as expand applicable areas indirectly, decreased structure weight. They are very good.
Q:Could you tell me how does fire protection standard of decorative material is divided?
Level of fire prevention materials: A grade: non-combustibility building material, almost without burning materials. A1 level: non-combustible, no flame A2, non-combustible, to measure smoke, to be qualified. B1 level: flame retardant building materials: flame retardant materials has good flame retardant effect. It is uneasy to burn when encountering open fire in the air or under high temperature and is not easy to quickly spread, and when the fire source move, it will stop burning immediately. B2 level: combustibility building materials: combustibility materials has good flame retardant effect. It will immediately burst into flames when encountering open fire in the air or under high temperature. It easily leads to the spread of fire, such as timber, wooden frame, wooden beams and wooden stairs. B3 level: flammable building materials, without any flame retardant effect, easy to burn, and with a very high fire risk.
Q:What are the new refractories?
Most are ordinary refractories.
Q:What is refractory aggregate?
Refractory aggregate is fire-resistant product improved with low temperature binder, chemical compound and normal temperature strength.
Q:Which brand of refractory fiber hard thermal insulation board is better?
Thermal insulation materials are divided into two types: porous material and heat reflecting material. The former uses the air void contained in the material to maintain thermal insulation itself for the heat conductivity coefficient of air or inert gas within the voids is low, such as foam material, fibers and other materials; the latter material has a high coefficient of reflection which can reflect the heat, such as gold, silver, nickel, aluminum foil or metallic coated polyester and polyimide thin films. Aerospace industry has strict requirement for the weight and volume of thermal insulation material, and it is often also required to has the properties of noise absorption, vibration attenuation, and anti-corrosion. Different aircrafts have different requirements for thermal insulation materials. Aircraft cabin and cockpit usually use foam, ultra-fine glass wool, high silica cotton to maintain thermal insulation. Earlier missile head uses phenolic foam plastic as thermal insulating material. With the application of polyurethane foam with good thermal endurance, the single insulating material has been developed to sandwich construction. A few millimeters foaming coating is coated on the skin outside the missile instrument bay, it is anti-corrosion coating at room temperature and when aerodynamic heating reach 200 ° C or more, it will generate foam evenly thus maintaining thermal insulation. Artificial earth satellite moves in an environment where the temperature varies from high to low, so it must use laminated thermal insulation material with high reflecting performance, which is usually made up of dozens of layers of aluminum film, aluminized polyester film, and aluminized polyimide film. In addition, the successful development of the surface thermal insulated tiles has solved the problem of thermal insulation of the space shuttle, it also marks a higher level of development of insulation materials.
Q:Fire rating of decoration materials
You can refer to (code for fire protection design of buildings)

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