Corundum Bricks for Industrial Furnaces

Ref Price:
$50.00 - 60.00 / m.t.
Loading Port:
Qingdao
Payment Terms:
TT or LC
Min Order Qty:
5 m.t.
Supply Capability:
5000 m.t./month

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Product Description:

Corundum Bricks for Industrial Furnaces

 

Composite of Corundum Bricks

Corundum bricks use compact electro-smelted corundum and alumina powder as main raw materials, shaped under high pressure after machine-blending and fired at high temperature.

 

Main Features of Corundum Bricks

Low porosity

High compressive strength

Good chemical stability

 

Application of Corundum Bricks

Linings of high-temp industrial kilns and furnaces

 

Corundum Bricks Images

 Corundum Bricks for Industrial Furnaces          Corundum Bricks for Industrial Furnaces

      

 

Specification of Corundum Bricks

 

ITEM 

GY-90

 GY-94

GY-98

Al2O3, %

 90

 94

98

Fe2O3, %

 1

1

0.3

Refractoriness,  

1790

1790

1790

Bulk Density, g/cm3

 2.95

 3.1

3.1

Apparent Porosity, %

16

16

20

Cold Crushing Strength, Mpa

 80

 80

 60

Refractoriness Under Load (T0.6),  

1620

1650

 1700

Permanent Lineat Change, %

1500×3h,±0.2

-

1500×3h,±0.1

 

FAQ of Corundum Bricks

Q1:Are you a manufacture or trader?

A:Factory+trade(mainly factories, at the same time, we operates other related products).

Q2:Can we visit your factory?

A:Sure,welcome at any time, seeing is believing.

Q3:What's the MOQ of trial order?

A:No limit, We can offer the best suggestions and solutions according to your condition.

Q4:Which payment terms can you accept?

A:T/T,L/C are available for us.

Q5:After an order is confirmed, when to deliver?

A:15-25days after deposit.

Q6:Is your company accept customization?

A:We have own factory and excellent technical team, and we accept OEM service.

 Q7:How about your company's certification?

A:ISO9001 and Test Report, also we could apply other necessary certification.

 

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Q:Zirconium corundum 25 content and 40 content, how to distinguish in appearance?
The fused zirconia corundum brick is mainly made of fused zirconia and corundum. ZrO2-Al2O3-SiO2 three element system fused brick, containing Al2O3:40% to 50%, ZrO2:30% to 50%, SiO2:10% to 17%.From the point of view of data analysis, there is no radioactive substance in it, and it will not cause harm to the human body.
Q:What is the difference between corundum and high alumina?
The main components of high alumina brick are high alumina bauxite, mullite and partial corundum sand.The difference between them lies in the content of alumina and the alumina refractory products with alumina content higher than 48%The content of Al2O3 is higher than 90%, which is called corundum brick.
Q:What kind of refractory material will be used in the glass kiln
It has the best resistance to high temperature E glass corrosion, its erosion basically does not cause pollution to the glass liquid, so it has become the first choice of E glass unit refractory bricks.Dense chromium oxide is formed by isostatic pressing. Its density is very high. The main technical indexes include Cr2O3 content >94%, porosity <15%, volume density >4.24g/cm3, and erosion loss only 1/10 of compact zirconia brick. Used in the E glass furnace unit kiln, directly contact high temperature molten glass melt, wall, melting parts, high temperature parts, pool bottom, main channel, pool wall and pool bottom, transition channel, pool wall, etc..
Q:High temperature refractory material
Now the definition of refractory materials, has not only depends on whether the refractoriness at 1580 DEG. Refers to the current refractories used in metallurgy, petrochemical, cement, ceramics and other production equipment with inorganic non-metallic materials.
Q:What is the price of concrete self insulation bricks?
Insulation brick prices also have a great relationship with the material and workmanship, such as clay brick price is much lower than high alumina brick, mullite and corundum brick prices will be higher.
Q:Wave tile and throwing glaze, tile which good?
Vitreous tile is all ceramic tile, the material is hard, strong wear resistance, smooth finish is very good, in general, looks very bright. Microcrystalline brick, corundum brick Market said, they really mean bohuazhuan. Because of its low water absorption and high strength and hardness, glazed tile has been widely used. Many hotels, shopping malls and office space are widely used glass tile.
Q:What kind of fused corundum corundum brick should be used for each part of the glass furnace?
In addition to AZS33# and AZS same co crystallization in vitro, 36#AZS due to the increase of chain like zirconia brick more crystals, while the glass phase content is low, so 36# AZS corrosion resistance has been further enhanced, so is suitable for the rapid flow of molten glass or high temperature region.AZS36 s is an excellent product in the AZS series. It has high resistance to glass liquid erosion and low pollution. It is usually used in the key parts of the glass furnace, such as the pool wall near the hot spot.
Q:How to improve the induction furnace campaign, from the promotion of refractory life start
According to the use of atmosphere, choose the appropriate spraying materials, such as infrared radiation paint
Q:What's the size of the fused zirconia corundum refractories for glass furnace? What are the main kilns? How much is the dosage?
The fused zirconia corundum brick is made up of 30% ~ 41% zirconia two in the alumina burden. The main mineral compositions are corundum, zircon and glass phase. The main varieties are fused (or cast) zirconium corundum brick (also known as AZS casting brick) and sintered zirconia corundum brick. Generally speaking, zircon corundum brick means sintered zirconia corundum brick. It is made from alpha -Al2O3, partially stabilized zirconia and zircon corundum clinker, which is prepared by proportioning and molding at 1700~1750 DEG C and then sintered at two. The sintered zirconium corundum brick has a strong resistance to molten glass, and its thermal shock resistance is stronger than that of fused zirconia corundum brick. It is mainly used as lining of glass furnace and induction furnace, as well as steel rolling furnace, slide rail, etc..
Q:What is the main component of corundum?
Corundum is the main component of Al2O3, often containing trace impurities such as Cr, Ti, Fe, V and so on.

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