75% Al2O3 High Alumina Refractory Bricks Based On 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:

Shandong, China (Mainland)

Shape:

Brick

Material:

Alumina Block

SiO2 Content (%):

International Standard

Al2O3 Content (%):

48%-85%

MgO Content (%):

0.8-1.2

CaO Content (%):

0.01

Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)

CrO Content (%):

0.1~0.3%

SiC Content (%):

Unknow

Model Number:

CNBM

Brand Name:

cnbm

Name:

High Alumina Bricks





Packaging & Delivery

Packaging Details:wooden pallet

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. 

75% Al2O3 High Alumina Refractory Bricks Based On Bauxite

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Q:Are refractory materials and fireproofing materials the same?
Refractories are generally used in the industry such as power plants, electric stove and industrial furnace. They include refractory bricks and insulation materials. Fireproof materials are generally used in building and they are fireproofing.
Q:What's the material of fireproof and wear-resisting floor?
It is the kind of special concrete floor, and it should prevent from crash for it will produce fire by friction. It is mostly used for the warehouses storing explosive and inflammable objects and chemical materials. And its production process is the same with that of the common concrete floor, but it uses different material which needs to be the pebbles and sand after processing with marbles and dolomite.
Q:What's the heat conductivity coefficient, specific heat capacity and density of the refractory material of magnesite-chrome brick and magnesia-alumina brick respectively?
It is suggested that you find some samples of well-known manufacturers, such as Ogilvy and Mather Group, and that will be more correct.
Q:What refractories are resistant to fluorine gas?
It is recommended to use fused-quartz brick, which will produce hydrofluoric acid fluorine (an acidic gas) when water vapors. It is cheap. While it is recommended to use silica brick if it exceeds 1,200 degrees. So acidic refractory is an advisable refractory for using. It works well if the temperature is below 1200 degrees.
Q:What refractories are used in various parts of the blast furnace.
Blast furnace from top to bottom has the throat, hearth staves, waist, bosh, hearth and furnace bottom. the specific structure is as follows: The throat is the first to be affected by the impact and abrasion, generally use high-density alumina bricks. the upper and central portion of temperature furnace is only 400 ~ 800 ℃, the area with high alumina bricks and silicate bricks. The lower part of furnace is subject to erosion and dust erosion alkali metal vapor due to high temperatures, it is required in such case to use high quality clay brick,high alumina brick,carborundum brick,corundum brick that is slag resistance and alkali resistance, temperature resustant and wearproof. Furnace bosh temperature reached 1400 ~ 1600 ℃, serverly eroded by slag,vapor, flush. so we use carborundum brick and reaction-bonded silicon carbide brick. Bosh temperature reaching1600 ~ 1650 ℃, using alumina brick, corundum brick or silicon carbide brick. the temperature of Hearth near the upper portion of the outlet zone at 1700 ~ 2000 ℃, use of silicate bricks and corundum castable graphite filler, silicon carbide bricks. In 1450 Silly twitch bottom temperature sealing die of hunger slander bet phoenix astringent preserved Grade ~ 1500 ℃, use of graphite bricks and microporous carbon bricks, now use more corundum brick, corundum mullite brick and synthetic mullite brick. x26lt;P class x3d "share-btn"x26gt;
Q:What refractories are accessible with ease in daily life? This material is suitable as a disposable mold and crucible for melting brass.
Common red brick and refractory brick.
Q:Can anyone tell me which materials are fire-proof high temperature resistant material?
Fireproof high temperature resistant material is the synthetic material with fireproofing properties, or the material itself is high temperature resistant, heat-resistant, flame-retardant material. Fireproof materials are mainly used for construction with a variety of forms, which plays an absolute role in modern fire protection. The commonly used fireproof materials including fireproof panels, fire doors, fireproof glass, fire retardant coating and fireproof bag, etc.
Q:The performance of refractory material
As for easticity modulus, you can serach for information on the Internet or specialized books.
Q:Does anyone know about the A-level fireproof materials?
rock wool external wall composite board, A1-level fire rock wool board, hidden slit rock wool board ¥ 30, A1-level fireproof mineral wool sound-absorbing board. What about the sound-absorbing sheet? glass fiber acoustic board engineering of the TV backdrop ¥ 85, A1-level fireproofing and thermal insulation rock wool board is hydrophobic thermal insulation, external wall thermal insulation materials ¥ 200, high temperature resistant calcium silicate board, LCFC/calcium silicate board is A1-level fireproof materials with high-quality and low-price ¥ 75, the prices above are from the internet for reference only, and the purchase prices vary according to the market.
Q:How many kinds of fireproof materials are there in the market?
I wonder that how many kinds of fireproof materials are there? Does anyone know about it, please tell me, thanks

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