CALCINED BAUXITE WITH SHAFT KILN BAUXITE

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Specification of Calcined Bauxite

Item

Al2O3

(min)

Fe2O3

(max)

TiO2

(max)

SiO2

(max)

KO2+NaO2

(min)

CaO+MgO

(min)

Bulk Density(g/cm3)

70

70%

2.5%

2.9min

75

75%

3.0%

4.0%

8%

0.3%

0.6%

2.7min

80

80%

3.0%

4.0%

8%

0.3%

0.6%

2.8min

85

85%

2%

4.0%

8%

0.3%

0.6%

3.0min

86

86%

2%

4.0%

8%

0.3%

0.6%

3.2min

87

87%

2%

4.0%

7%

0.3%

0.6%

3.2min

88

88%

1.8%

4.0%

7%

0.25%

0.6%

3.25min

90

90%

1.8%

4.0%

7%

0.25%

0.6%

3.25min


Packaging & Shipping

In 1MT jumbo bag or as the buyer request.

We ship the cargo in 20' GP containers,each container loads 25MT/20bags.


Application of Calcined Bauxite

1.aluminium industry


2.precision casting


3 refractory materials


4.aluminum silicate refractory fiber for fiber blanket, refractory brick .


5. refractory cement


Bauxite is an aluminium ore and is the main source of aluminium.


Bauxite is used in cement, chemicals, face makeup, soda cans, dishwashers, siding for houses.


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Q:I want to consult the fire resistant level standards of external wall thermal insulation materials.
1, The thermal insulation material that has level A combustion performance: Spraying inorganic fiber, glass wool, foam glass, ceramic foam, rock wool, foam cement and perlite obturator, and so on. 2, The thermal insulation material that has level B1 combustion performance: Special processed extruded polystyrene board (XPS) / special processed polyurethane (PU), phenolic and polystyrene powder. 3, Thermal insulation materials that have level B2 combustion performance: Molded polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. See article 4.3.6 in the 2009 edition construction technical measures. Level A insulation material is just for fire protection, so its thermal insulation performance is worse than the organic XPS or EPS materials. Hope this will help you.
Q:What's the material of electrical fire prevention board?
Electrical fire prevention board uses the material of inorganic binders, which mainly includes water glass, gypsum, phosphate, and cement; refractory mineral fillers: alumina, asbestos powder, calcium carbonate, perlite, cornstarch and etc.; electrical fire prevention board is mainly aimed at fire protection and thermal insulation. Iron plate is electrically conductive with good thermal conductivity, which will cause the result that the equipment is not insulated and suffers larger superheating surface. Hope my answer is helpful for you.
Q:what textures of furnace refractories are good?
First, it depends on the kiln. If it is the cubic kiln, the top and the wall portion should use alumina hollow ball bricks. The bent seal and kiln car use heavy corundum bricks. If it is the consecutive kiln, the burning zone shall all use the alumina hollow ball bricks, and both the burning zone bent seal and the brick kiln car bent seal use the heavy corundum bricks. Ifit is the pit furnace, furnace walls and roof use the alumina hollow ball bricks, and the bottom of the furnace use heavy corundum bricks.
Q:How long is the duration of fire resistance that fireproof door of level B can endure?
Level B refers to the fire resistance rating and different hours in fireproofing of the fireproof door. Fireproof door of level A can endure fire for 1.5 hours while level B 1.2 hours
Q:What kind of refractory decorative board has good quality?
The unique design and personalized style of well-known brand "transit" rank highest in the field of domestic refractory slab. It is one of the largest manufacturers of high pressure decorating refractory slab in China. The production base covers an area of 40,000 square meters and the annual output is 4 million. It passes the test of Quality Supervision and Inspection Center of National Fire Protection Building Material and ISO9002 certification. The products pass international standards such as 4586, the United States NEMA and so on.
Q:What requirements should refractory materials meet?
Ladle is an necessary equipment to undertake molten steel and continuous casting. As many kinds of steel needs to be processed in the ladle, including argon blowing tempering, alloy composition fine-tuning, refining dusting and vacuum processing, working conditions of the ladle lining have worsened. Their working conditions are as follows. (1) The temperature of molten steel is higher than mold casting ladle. (2) the molten steel stays longerin the ladle. (3) ladle lining are subjected to volatilization and agitation of molten steel under high temperatures and in vacuum. (4) The impact on the lining when undertaking steel liner when the impact effect. Therefore requirements of the ladle refractories are as follows: (1) It can resist high temperature. Molten steel should be able to withstand high temperatures without melting. (2) It can resist thermal shock and can withstand molten steel without cracking and spalling. (3) It can resist slag erosion. The ladle should be able to withstand the erosion of lining caused by slag and alkalinity changes of slag. (4) it should have sufficiently high temperature mechanical strength to withstand the agitation and scouring of molten steel. (5) lined should have certain swelling property so that lining will be united as a whole under the effect of hyperthermal molten steel.
Q:What's the A grade fireproofing material?
A grade fireproofing material: 1. fire-proof plate; 2. fireproof wooden door; 3. fireproof wooden window frame; 4. fire resisting shutter; 5. fireproof and mothproof wood; 6. fireproof glove compartment; 8. fire retardant coating; 9. fire-proof sealing material.
Q:What's the fire retardant material of roller shutter fire resistance door ?
It is composited by inorganic materials, and main componets are perlite and inorganic adhesive, etc.
Q:Who knows the fire resistant level of the rock wool color plate?
The rock wool color steel rock wool board is used in a area of high ​​fire safety requirements. According to "interior decoration of buildings for fire protection design", the color steel rock wool board belongd to level A. Its life is more than 15 years and still can be used when the temperature is up to about 700 ℃, with maximum fireproofing hour of six hours. And the rock wool color plate is a environmentally friendly material, the preferred material in the construction industry .
Q:what's the varieties of thermal insulation material with A level fire rating?
the main A level fireproof material is rock wool now (note:it is rock wool not mineral wool). A1 level fireproofing, now the largest producer is Taishi rock wool Co., Ltd.; hope my answer can help you, thank you.

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