Refractory Mullite Insulating Refractory Brick JM 26

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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)


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






Classification       Temperature, /          





Bulk       Densityg/cm³  





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, %           





Fe2O3       Content,       %                   





Thermal       Conductivity:      

 800℃,   w/m.k     





 1000℃,   w/m.k





 1200℃,   w/m.k





Insulating brick

Refractory Mullite Insulating Refractory Brick JM 26

Refractory Mullite Insulating Refractory Brick JM 26

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.

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- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:What is the price of concrete self insulation bricks
If you really want to buy thermal insulation brick, do not simply look at the price, but also to consider the quality of the product. (a piece of brick in the market basically in 6 yuan, if there is a floating price if it is because of the size of the insulation brick or distance, but floating slightly.)
Q:What is a JQK composite lightweight thermal insulation brick?
Its characteristic is waterproof and heat insulation, thermal insulation performance, strong decoration, waterproof effect is good, and good weathering resistance, long service life, the whole system of simple construction, low cost, is a new type of inverted waterproof and insulation structure of the current system state key application.
Q:Clay insulation bricks insulation, brick and ordinary clay brick, fireclay, brick distinction, and its use? Thank you
The contrast between the two should not be much different, the insulation brick in the masonry wall at the same time, will be good insulation effect into the wall.
Q:What are the insulation materials for heating buried pipelines?
Heating pipe insulation material should be heat-resistant, flame retardant, small thermal conductivity, low moisture absorption, no corrosion. In order to enhance the mechanical strength of the general production into a massive, commonly used rock wool pipe shell; superfine glass wool pipe shell, polyurethane foam pad pad; perlite insulation materials.
Q:How to do indoor thermal insulation
Basic decoration, can make indoor insulation work, such as some specific practices: when laid wood floor, the grille can be in the floor of the placement of insulation materials, such as mineral wool board, flame retardant foam etc.. In the custom doors, may require manufacturers with glass wool or mineral wool insulation materials etc.. To install windows and doors are sealed, if the window is the original single ordinary window glass, then the best decoration for hollow glass broken metal windows, can also use light decoration patent products: multifunctional solar heating refrigeration air conditioning doors and windows, doors and windows. Live in the top floor of the residents, but also in the ceiling when placed on the gypsum board insulation materials, in order to improve insulation. If the original wall has internal insulation layer, be careful not to destroy when decorating. If the design is to open the balcony and living room, it is necessary to install the insulation layer on the wall and top surface of the balcony.
Q:Energy saving bricks or bricks?
Insulating bricks are mostly hollow or light bricks.It can be said to be energy-saving bricks, including insulation bricks
Q:Is the building built of cement hollow board safe?
The service life of hollow slab buildings is generally 50-70 years. However, the concept of civil design is relatively conservative, as long as the materials used in strict accordance with national standards, even if 70 years, and not necessarily bad.
Q:What is the price of fireproof insulation material?
Fire insulation materials are various, different specifications, grades of prices are different, according to market rules, there will be fluctuation, the most commonly used are insulation rock wool, insulation board, insulation bricks, fire blocking materials.
Q:What materials are used for roof insulation
The other one is inorganic insulation materials, such as Portland, rare earth insulation, the thickness should be 5 cm or more, up to the high cost of auxiliary materials of construction, to reinforce, new inorganic insulation material, the material thickness, on the line of 2-3 cm, direct smear on the top of the house, without auxiliary material, than the price of wool, high aluminum silicate cotton.
Q:Is sintering insulation brick good or concrete porous brick good?
As with the expansion screw, it depends on what to connect, and go in is no problem, the key is that the carrying capacity is not very high, if you do steel support, pull and so on, it is recommended to use concrete.

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