Calcined Bauxite with Low Price Made in China

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China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
2000 m.t./month

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Product Description:

Quick Details

Place of Origin:

Shanxi, China (Mainland)

Shape:

Block

Material:

Alumina Block

SiO2 Content (%):

5-19%

Al2O3 Content (%):

75-89%

Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)

CrO Content (%):

None

SiC Content (%):

None

Model Number:

78,80,83,85,86,87,88,89

Brand Name:

Jialun

Fe2O3:

2%max

K2O+Na2O:

0.25-0.4%

CaO+MgO:

0.4-0.6%

Bulk Density:

2.8-3.30



Packaging & Delivery

Packaging Details:25 kg pvc bag and 1 mt big bag
Delivery Detail:within 10 days after receipt your advance payment

Calcined Bauxite with Low Price Made in China

Introduction of calcined bauxite

Calcined bauxite is one of the principal ore of aluminum.

Calcined bauxite contains hydrous aluminum oxides and aluminum hydroxides, formed through the laterization of aluminous rocks in tropical and subtropical areas .

Calcined bauxite is obtained by calcining (heating)superior grade bauxite at high temperature (from 85OC to 1600C) .this can removes moisture thereby increasing the alumina content. Compared to an alumina content of about 57%to 58% in raw bauxite, calcined bauxite has an alumina content of 75% to 90%.

 

Specifications of Calcined bauxite

Grade

AL2O3

SIO2

FE2O3

TIO2

K2O+Na2O

CaO+MgO

Bulk density

HX75

75min

≤17

≤3.0

≤4.0

≤0.3

≤0.5

≥2.70

HX80

80min

≤12

≤3.0

≤4.0

≤0.3

≤0.5

≥2.80

HX85

85min

≤8

≤2

≤4.0

≤0.3

≤0.5

≥3.00

HX86

86min

≤7

≤2

≤4.0

≤0.3

≤0.5

≥3.10

HX87

87min

≤6

≤2

≤4.0

≤0.3

≤0.5

≥3.20

HX88

88min

≤5

≤1.8

≤4.0

≤0.25

≤0.5

≥3.25

HX90

90min

≤3

≤1.8

≤4.0

≤0.25

≤0.5

 ≥3.3

Moisture(max)

0.50%

 

Calcined Bauxite with Low Price Made in China

Calcined Bauxite with Low Price Made in China


Usage of Calcined bauxite
1.Aluminium industry.

 2.Precision casting.

 3.Refractory industry.

 4.Silicic acid aluminium firefibre

 5.Mixed with magnesium oxide,it can be an nice bonding agent,especially for pouring entire steel teeming ladle lining

 6.Manufacture bauxite cement,grinding abrasives.ceracmic industry,and chemical industry for making aluminium compounds


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Q:Is it normal for caable fire resistant material to catch on fire?
Abnormal; aging is certainly one of the cause of the fire. That is caused only because of poor insulation and aging caused by short circuit, but a more important reason is configuration of air switch does not meet the requirements. If the capacity of air switch equals that of the cable, trip will happen at the moment when current is overloaded, not causing a short circuit or over current fire.
Q:What's the poured refractory material?
According to its category, raw material of basic refractory: Mainly magnesite (magnesia), dolomite, lime, olivine, serpentine, high alumina material (sometimes neutral); main neutral raw material: chromite, graphite, silicon carbide (artificial).
Q:What are the applications of refractory busway?
Refractory busway is designed for the power supply in fire-fighting equipment, and it can not be used for other purposes. As the generatrix has good heat resistance, thermal insulation, and the heat of the busway can not be emitted, it can not be used long-term at full capacity. In addition to fire-resistant busway, ther bus lines can operate full-load in long term.
Q:What do refractory materials include?
It is so difficult.
Q:What are the applications of refractory?
Refractory materials are widely used in iron and steel smelting , glass, cement kilns, non-ferrous metal metallurgy, environmental protection, and chemical, etc. For example: For a car of 1.5 tons, do you you know how much refractory it use? The answer is: To produce top hat or other steel products, glass for vehicle windows, nonferrous metals kile aluminum and copper, plastic products of the body all needs refractory. A car of 1.5 tons needs to consume a total of 10Kg refractories.
Q:What dose the fireproof and thermal insulation material include?
It includes A1: Non-combustible inorganic monomer; A2 Non-flammable organic compound, namely composite material; A3 Modified phenolic fireproof materials.
Q:What is special refractories?
Long nozzle, slidding plate, tapping hole, stopper rods, and products that steel mills use
Q:Who knows what kind of fire protection material is better?
Characteristic of polyurethane rigid foam thermal insulation decorative composite board: (1) ultra high cost performance, increased property's selling point (high cost performance) new model of thermal insulation material, excellent thermal insulation properties, elegant decorative effect, 50 years of service life, reduce maintenance costs and social waste. (2) it overcomes defects of traditional insulation technology (to solve the freezing and thawing, veneer cracking and shedding) traditional benzene board, the phenomenon of freezing and thawing that is easily appear in plastic extruded sheet, paint finish is easy to crack; its veneer facing can easily fall off; thermal insulation materials and wall are poorly adhered, easy off the whole. There is a themal bridge in dry hanging wall. (the characteristics of polyurethane composite board)
Q:how to classify the fireproofing material levels A1 A2 B1?
their classification is shown specifically in Fireproof  Specification of Building Interior Decoration Design GB 50222-95 appendix A, flammability,inflammability materials, flame retardency, noninflammability: combustion performance of A, B3, B2, B1 materials are divided into
Q:What level is the rock wool board fireproofing material ?
The fire rating classification is a provision for all insulation materials, rather than to separately divide rock wool. Determine the value of the material fire rating according to the relevant test items of 8624. As the rock wool is made from basalt fusion, so it is the level A non-combustible material. And those we usually see are the mineral cotton and glass wool, with its refractory temperature lower than the rock wool's. Rock wool board is now mainly used in wall insulation, which is a level A fire insulation material.

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