• Light Weight Corundum Mullite Bricks,Corundum Mullite Bricks,Mullite Corundum Brick System 1
  • Light Weight Corundum Mullite Bricks,Corundum Mullite Bricks,Mullite Corundum Brick System 2
Light Weight Corundum Mullite Bricks,Corundum Mullite Bricks,Mullite Corundum Brick

Light Weight Corundum Mullite Bricks,Corundum Mullite Bricks,Mullite Corundum Brick

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
1000000 m.t./month

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Characteristics:

1. Low thermal conductivity

2. High strength and resistance to corrosion

3. Low heat capacity

4. Low content of impurities

5. High insulation

6. Excellent thermal shock resistance

7. Low density 

Physical and chemical index:

Item/Type

JM-23

JM -26

JM -28

JM -30

JM -32

Classification temperature,

Reference using temperature (oC) ≥

1260

1430

1540

1650

1760

Bulk density (g/cm3)

0.8

0.9

0.9

1.0

1.25

Crushing strength (Mpa) ≥

1.3

1.6

2.1

16

16

Modulus of rupture (Mpa) ≥

0.9

1.4

1.6

2.1

2.1

Permanent linear change (oCX24h)% ≤

1350°C×4h
0.5

1400°C×24h
0.4

1510°C×24h
0.5

1620°C×24h
0.9

1730°C×24h
0.9

Thermal conductivity (W/m.k) ≤

800oC

0.18

0.31

0.32

0.44

0.50

1000oC

0.2

0.34

0.35

0.45

0.52

1200oC

-

0.40

0.41

0.47

0.56

Chemical Analysis (%)

Al2O3 ≥

37

58

67

73

77

Fe2O3 ≤

1.0

0.8

0.8

0.6

0.4 

Application:

Light Weight Corundum Mullite Insulation Brick can be widely used for lining or insulation layers of various industrial furnaces and kilns in metallurgical industry, machine building industry, ceramic industry, chemical industry.


Light Weight Corundum Mullite Bricks,Corundum Mullite Bricks,Mullite Corundum Brick

FAQ

Q1: How do you control the products quality?

A1: With strict quality control system throughout the materials selection and production process, our refractory and ceramic fiber products quality is effectively controlled to meet customer requirements.

From the raw materials selecting, our quality control begin. The quality certificates of raw materials are required and each batch will be tested before using. During production, the quality control are conducted by workers and then each piece will be sorted and examined by quality supervis

 

Q2: What`s the lead time for my order?

A2: It depends on customers’ requirements and our production schedule. And usually we need 30-60 days for refractory bricks,10-25 days for unshaped refractory materials and 10-20 days for ceramic fiber blankets


Q:What refractory materials are adopted in each part of the blast furnace?
The lower part of the shaft due to high temperature and dust by scouring and alkali metal vapor erosion, so the requirements for the slag resistance, alkali resistance and high temperature resistance, wear resistance of high quality clay brick, high alumina brick, carborundum brick or corundum brick. Belly temperature reaches 1400~1600, and slag, steam erosion, erosion and corrosion is strong, therefore, the silicon carbide reaction bonded silicon carbide brick.
Q:What kind of fused corundum corundum brick should be used for each part of the glass furnace?
AZS33 is the casting of AZS series of the largest, most widely used in tea, to prevent the pollution of liquid glass is excellent. Widely used in the glass furnace pool wall, pool bottom, the upper structure and feeding routes and other parts.
Q:How much is a refractory brick?
There are many kinds of refractory bricks, you have to look at what is material, the material is not the same, the price is not the same, clay brick is the cheapest, probably hundreds of dollars a ton, and corundum brick a ton of several money, silicon carbide, silicon nitride, and more expensive. And this thing is generally on t sell, the price is by a single block after conversion.
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:How do corundum bricks bind?
High temperature bonding clay can be used for bonding masonry
Q:What's the jade stove for?
Is it a furnace made of corundum or a furnace for smelting corundum?Corundum brick stove is commonly used as a refractory material sintering furnace, can be fired refractoriness in refractories, below 1700 degrees such as brick, corundum brick, brick, alumina hollow ball and so on
Q:Application of electric high temperature regulating valve?
Now, the definition of refractories has not only depended on the degree of refractoriness is more than 1580 degrees celsius. At present, refractory materials refer to inorganic non-metallic materials used in metallurgy, petrochemical, cement, ceramics and other production equipment lining.
Q:What are the main constituents of refractory bricks?
Corundum refractory brick and corundum brick is a kind of refractory brick with AL2O3 content not less than 90% and corundum as its main phase. It can be divided into sintered corundum bricks and fused corundum bricks.
Q:What refractory materials are used in industrial furnaces?
Economically, it is necessary to do technical and economic analysis when selecting materials reasonably. Under the premise that the technical indexes agree with the working conditions of the furnace, the refractory materials with low quoted price should be used as much as possible, without high-grade finished products. To think about whether to make self (such as irrigation, refractory concrete) as far as possible to repair old.
Q:What is the hardness of corundum refractory bricks?
Corundum refractory brick has good stability against acid and alkaline slag, metal and glass solution. It can be used in oxidizing atmosphere at high temperature or in a reductive atmosphere. The basic material of corundum refractory brick is fused alumina or sintered corundum.

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