Refractory Mullite Insulating Refractory Brick JM 31
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
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General Information
CMAX insulating firebricks are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.
1. Lower content of iron, alkaline and impurities, good high temperature properties.
2. Homogeneous structure, light weight, energy saving because lower heat storage in the furnace during cooling cycles.
3. High strength, good thermal shock resistance under high temperature.
4. Precise sizes due to grinding and shaping after sintering, which meets the requirement of construction.
5. Max service temp: Up to 1730C (3160F)
Feature
Light weight and low thermal conductivity
Low heat storage
Low iron and impurities
High thermal shock resistance
Application of Insulating brick
Metallurgical Industry: blast furnace, hot blast furnace, heating furnace, etc..
Petrochemical Industry: ethylene cracking furnace, hydrogen furnace, the main furnace, heating furnace, etc..
Ceramic industry: roller kiln, kiln, etc..
Glass industry: glass furnace regenerator, etc.
Carbon industry: carbon furnace, etc..
Aluminum electrolysis industry: aluminum reduction cell, etc.
Other industries: tunnel kiln, shuttle kiln, etc.
Advantages of heat insulation brick
Low thermal conductivity: many air holes will bring good thermal insulation effect, energy saving.
High crushing strength: high crushing strength, volume stability.
Low heat storage: small heat storage, absorb more heat, energy-saving effect is obvious.
Technical Data
ITEM | GJM30 | GJM28 | GJM26 | GJM23 |
Classification Temperature, ℉/℃ | 3000/1650 | 2800/1540 | 2600/1430 | 2300/1260 |
Bulk Density，g/cm³ | ≤1.0 | ≤0.9 | ≤0.8 | ≥0.5 |
Reheating Linear Change, % | ≤0.9 (1550℃,12 h) | ≤0.8 (1510℃,12 h) | ≤0.7 (1410℃,12 h) | ≤0.5 (1230℃,12 h) |
Al2O3 Content, % | ≥75 | ≥65 | ≥55 | ≥45 |
Fe2O3 Content, % | ≤0.5 | ≤0.6 | ≤0.7 | ≤1.0 |
Thermal Conductivity: | ||||
800℃, w/m.k | ≤0.39 | ≤0.37 | ≤0.35 | ≤0.18 |
1000℃, w/m.k | ≤0.43 | ≤0.41 | ≤0.39 | ≤0.20 |
1200℃, w/m.k | ≤0.48 | ≤0.46 | ≤0.43 | --- |
Insulating brick
Common problem solution
1. What products do you have?
We have all kinds of refractory bricks, refractory casting materials, mortar, cement, ceramic fiber products, etc..
Or you can browse our products to choose what you need.
2. How to control product quality?
With strict quality control system throughout the material selection and production process, we have the quality of refractory materials and ceramic fiber products to meet customer requirements.
From the selection of raw materials, the quality of our control to start. The quality of the raw materials required for each batch of products in the use of the front line test. In the production process, through the quality control of workers, and then to each piece of classification, and through quality supervision and inspection.
3. Could you give me a brief introduction to the application of your product?
My Company is mainly engaged in steel, cement, glass, ceramics, petrochemical, electric power and other industries.
4. If I need you, what kind of information do you need?
In order to select the right products, we will provide us with information, such as the United States, technical data, order quantity, product applications, etc..
If you have any questions, please contact us.
- Q:The structural specification does not indicate that masonry needs insulation bricks. Is it necessary to use insulation bricks?
- Look at the exterior wall insulation design, construction practices and related requirements
- Q:Why does the water drop first and then rise when the boiler fires?
- Often in the operation of the boiler, the steam water mixture to the drum after intense evaporation of a large number of bubbles in the water side, the water volume expansion. By actual water level drum water level indicator is higher than the water level
- Q:What is the bulk density of insulating bricks?
- Stoneware porcelain water absorption rate is greater than 0.5% and less than or equal to 3%; fine stoneware bibulous rate is greater than 3% and less than or equal to 6%; brick bibulous rate is greater than 6% and less than or equal to 10%; pottery tile water absorption rate is greater than 10%. The water absorption rate of expression: ceramic brick brick >6% = >10% = >3% = fine stoneware porcelain stoneware or porcelain >0.5%
- Q:Are insulating fire bricks resistant to thermal radiation?
- Indeed, insulating fire bricks exhibit resistance to thermal radiation. These bricks possess a unique design that grants them outstanding thermal insulation properties, enabling them to effectively combat and minimize heat transfer via radiation. Typically composed of materials like alumina, silica, or fire clay, which boast high melting points and low thermal conductivity, insulating fire bricks possess the ideal attributes to withstand elevated temperatures and impede the transmission of thermal energy through radiation. Consequently, they serve as an appropriate option for various applications necessitating thermal insulation, including kilns, furnaces, and fireplaces.
- Q:Can insulating fire bricks be used in glass melting furnaces?
- Yes, insulating fire bricks can be used in glass melting furnaces. Insulating fire bricks are made with materials that have high insulating properties, such as lightweight refractory fibers, and are designed to minimize heat loss. In glass melting furnaces, where high temperatures are required, insulating fire bricks can be used to line the walls and roof of the furnace to reduce heat transfer to the surroundings and improve energy efficiency. They can help maintain high temperatures inside the furnace, reduce fuel consumption, and enhance the overall performance of the glass melting process. However, it is important to note that insulating fire bricks may have a lower resistance to chemical attack and wear compared to other refractory materials, so they may need to be supplemented with other types of refractories in certain parts of the furnace where harsh conditions are present.
- Q:Can insulating fire bricks be used in chimneys?
- Insulating fire bricks are indeed suitable for chimneys. Their purpose lies in enduring high temperatures, rendering them an excellent option for lining chimneys. Not only do they possess superb thermal insulation properties, thus minimizing heat loss and enhancing chimney efficiency, but they are also lightweight and simple to install. Nonetheless, it is crucial to acknowledge that insulating fire bricks may not be suitable for every chimney type. To ascertain the appropriate materials for your individual chimney requirements, consulting a professional or chimney specialist is highly recommended.
- Q:Can insulating fire bricks be used in incinerators?
- Yes, insulating fire bricks can be used in incinerators. They are designed to withstand high temperatures and provide excellent insulation, making them suitable for use in the intense heat of incinerator systems.
- Q:How do insulating fire bricks affect the overall carbon footprint of a structure?
- Insulating fire bricks can significantly reduce the carbon footprint of a structure. These bricks have higher thermal insulation properties compared to traditional bricks, which means they can better retain heat and reduce the need for excessive heating or cooling. By improving energy efficiency and reducing the consumption of fossil fuels, insulating fire bricks help to lower the carbon emissions associated with the structure's operation. Additionally, their longer lifespan and recyclability contribute to further environmental benefits by reducing waste generation and the need for frequent replacements, ultimately minimizing the overall carbon footprint of the structure.
- Q:Can insulating fire bricks be used for fireplace construction?
- Yes, insulating fire bricks can be used for fireplace construction. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for lining the inside of fireplaces to retain heat and improve energy efficiency.
- Q:Are insulating fire bricks easy to cut or shape?
- Yes, insulating fire bricks are relatively easy to cut or shape. They can be cut using basic tools such as a saw or a knife, and they can also be shaped by using a chisel or sandpaper. Their soft and lightweight composition allows for easier manipulation and customization to fit specific requirements.
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Refractory Mullite Insulating Refractory Brick JM 31
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 20 m.t./month
OKorder Service Pledge
OKorder Financial Service
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