Factory Direct Supply Rotary Calcined Bauxite

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Loading Port:
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:

China (Mainland)

Shape:

Brick

Material:

Alumina Block

SiO2 Content (%):

≤0.2

Al2O3 Content (%):

≥99

Refractoriness (Degree):

1770°< Refractoriness< 2000°

Model Number:

TY-AKZ-99

Brand Name:

CN

Size:

Any size

Factory Direct Supply Rotary Calcined Bauxite

Packaging & Delivery

Packaging Details:Wooden pallet and then polyethylene film is placed over it, finally the package is tied up with strips
Delivery Detail:2 months

Specifications

Applications: 
1.Lining of high temperature furnace 
2.Thermal insulate of ultra-high temperature furnace

Physical and chemical index

Item

AKZ-85

AKZ-90

AKZ-99

Chemical composition

Al2O3

≥85

≥90

≥99

SiO2

≤13

≤8

≤0.2

Fe2O3

≤0.5

≤0.5

≤0.5

Apparent Porosity%

58-62

58-62

58-62

Bulk Density g/cm3

1.4-1.7

1.4-1.7

1.4-1.7

Cold Crushing Strength Mpa

≥12

≥10

≥9

0.1Mpa Refractoriness Under Load T0.6 °C

≥1650

≥1700

≥1700

Permanent Linear Change On Reheating

(%)1500°CX2h

±0.3

±0.3

±0.3

20-1300°C Thermal Expansion % (x 10-6)

0-7.8

0-8.0

0-8.6

Thermal Conductivity(Average 800°C) W/(M.K)

≤0.8

≤1.3

≤1.5

Max Service Temperature °C

1680

1700

1800

Factory Direct Supply Rotary Calcined Bauxite


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Q:About the use of horseshoe glass kiln refractories
the lower portion of advanced clay brick, the lower portion of magnesia-chrome brick arch - high-purity silica brick; flue - clay brick; breast wall--33 # fused zirconia corundum brick (with shrinkage); fused zirconia bottom --33 # fused zirconia corundum brick (with shrinkage); regenerative chamber- the upper part of sintered magnesia-chrome brick, cooling section 33 # electric smelting no shrinkage fused zirconia corundum brick; the wall - the melting section 41 # no shrinkage fused zirconia corundum brick (including 41% of zirconium; the lattice- superstructure of high purity magnesia brick, the same below); small stove --33 # fused zirconia corundum brick (with shrinkage). It can be said that it is the maximum configuration, if the funds is limited it can be downshift appropriately.
Q:What are the characteristics of phenolic resin as a refractory material?
Q:Fefractory of aluminium oxide.
Do you mean the alumina hollow ball brick? We can exchange private messages in specific.
Q:How is the performance of refractory materials?
It is a little difficult to answer. There are some requirement for refractory materials, such as fire resistance, softness, creep, thermal shock, abrasive resistance. Besides, requirements for construction performance include: Liquidity, plasticity and other linear change rate, volume density, strength (including high temperature) and all other important indicators must be tested the same conditions with the use of test conditions and test items like body density, strength, line changes in the basic project
Q:how does the fire endurance of first rate fire resistant window?
class A window not less than 1.5 hours, class B window not less than 1 hours, Class C window not less than 0.5 hours.
Q:What are the materials for refractory materials? What are their name?
Neutral refractory is mainly composed of alumina, chromium oxide or carbon. Corundum products containing more than 95% of alumina are a kind of high quality refractory materials with a wide range of uses. Chrome brick by using chromium oxide as the main component of the corrosion resistance of steel slag is good, but the poor heat shock resistance, high load low deformation temperature. Carbon refractories with carbon bricks, graphite and silicon carbide products, low coefficient of thermal expansion, high thermal conductivity, heat vibration performance, high strength, corrosion resistance to acid and salt, without wetting of the metal and slag, light. It is widely used as lining material of high temperature, and also used as lining of autoclave in petroleum and chemical industry.
Q:who knows the fire resistant level of fireproof gypsum board ?
combustion performance of building decoration materials should be divided into four levels: A level, non-flammable; Class B1, flame retardant; B2 level, flammability; B3 level, flammable. Choose the materials above B1level. Thank you
Q:How to choose the material of refractory?
Long using temperature of aluminum oxide fiber is 1400 ℃, containing chromium aluminum silicate fiber, quartz, high purity aluminum silicate fiber, long-term use of temperature is 1000-1200 ℃ has aluminum silicate refractory fiber according to different raw materials, advanced refractory fiber (such as alumina. Commonly used vitreous aluminum silicate refractory fibre is amorphous, zirconium oxide refractory fibre) using temperature is 1700 ℃ view as >and the best temperature is 1300 ℃. Crystalline refractory fiber are polycrystalline mullite fiber, including ordinary aluminum silicate fiber, alumina and graphite refractory fiber, etc. The use of common refractory fiber temperature is 1150 ℃;>
Q:What is the classification standard of fireproofing material levels?
the following are the criteria: Currently fire materials levels mainly include:class A : incombustible building material,which almost doesn't burn. class A1: non-combustible, without open fire, class A2, non-combustible, it needs to measure the smoke and be qualified. class B1: nonflammable building material: nonflammable materials have good flame resistance function. when it contacts open fire or is under high temperature, it's difficult to burn and be spreading rapidly, and will stop burn after removing the combustion source. class B1: combustible building materials: combustible materials have good flame resistance function. when it contacts open fire or is put in the air at high temperature, it will immediately burst into flames, and easily result in the spreading of fire, such as wooden column, timber roof truss, timber beam, wooden stairs, etc. class B3: inflammability building materials, without any flame resisting effects, easy to burn, and has large danger of fire disaster. In addition, according to different standards, fire-proofing materials' grade partition is different: DIN4102: A1, A2, B1, B2, B3: EN13501-1 A1, A2, B, C, D, E, F
Q:How is the development of Xinmi refractories industry? What's its advantages and disadvantages?
The advantages are largest scale, top production amout in the country, accounting for one-third of the national market, having technology, strength and the market. The disadvantages are the lack of mineral resources, serious environmental pollution,

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