Insulating Brick GJM30 in Lightweight Fireclay Made in China

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
20000 m.t./month
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Description of Insulating Brick

CMAX Insulating Brick are classified under temperature between 1300℃ to 1700℃, manufactured from high purity alumina clay.

 

Features of Insulating Brick

Light weight and low thermal conductivity   
Low heat storage  
Low iron and impurities  
High thermal shock resistance

Specifications for Insulating Fire Brick

 

Applications of Insulating Brick

CMAX Insulating Brick can be used as a hot face lining directly exposed to the heat or as a backup insulation layer in iron and steel mills, non-ferrous foundries, petrochemical, ceramic, glass.

 

Specifications of Insulating Brick

Type No.


g/cm3

Density


MPa

Compressive

Strength


MPa

Rupture

Strength

%

Linear Change

on Reheating

Thermal Shock

Resistance, Times

Heat Conductive Cofficient
w/m.k

Al2O3
≥%

Fe2O3
≤%

DJM-23

0.60

1.3

1.0

1230×12-0.5

≥20

400°C0.15
1000°C0.2

40

0.70

DJM-26

0.80

1.8

1.4

1400×12-0.5

>20

600°C0.25
800°C0.27

55

0.70

DJM-28

0.90

2.2

1.7

1510×12-1.0

>20

600°C0.34
1000°C0.347

65

0.60

DJM-30

1.0

2.50

2.10

1600×12-1.0

>20

600°C0.43
1000°C0.45

74

0.50

DJM-32

1.2

3.50

2.50

1650×12-1.0

>20

600°C0.50
1000°C0.53

76

0.40

 

Images of Insulating Brick

 

Insulating Brick GJM30 in Lightweight Fireclay Made in China

Insulating Brick GJM30 in Lightweight Fireclay Made in China

 

 

FAQ of Insulating Brick

 

1. Which products do you have?

We have all kinds of refractory brick, castable, mortar, cement, ceramic fiber products, etc.
Or you could browse our products to choose what you need.

 

2. Can you give me a general idea of the specification and technical data of your products?

CNBM offer a range of refractory and insulation products. We provide refractory bricks, monolithic refractories as well as ceramic fiber products. And On your given shapes, drawings or description, we are producing refractories with all sizes and shapes, resistant to temperature from 800 °C till 1800 °C, using various machines and equipments for cutting, grinding, drilling, polishing, shaping processes.
Every refractory product by CNBM is of superior quality. Lesser refractory products can not approach. CNBM utilizes proprietary testing methods, testing for chemical content, density, apparent porosity, cold crush strength and modulus of rapture. With stringent quality control, you can count on CNBM products to exceed refractory industry standards and your expectations.

 

3. Can you give me a brief introduction of the application of your products?

We are mainly specializing in the refractory materials in iron and steel, cement, glass, ceramics, petrochemical, electric power Industry, etc.

 

4. If I need your offer, what information do you need?

In order to choose suitable products, it will be appreciated to provide us the information, such us specification, technical data, order quantity, products application etc.
If any question, please contact us freely.

 

 

Q:
Insulating fire bricks exhibit resistance to electrical conductivity. Their composition comprises materials with low electrical conductivity, like ceramic fibers or insulating refractory materials. The primary objective of these fire bricks is to offer thermal insulation, rendering them suitable for situations that demand the containment of high temperatures. Due to their minimal electrical conductivity, insulating fire bricks serve as linings in electrical furnaces, kilns, and other high-temperature apparatuses that necessitate electrical insulation.
Q:
Indeed, furnaces can indeed benefit from the utilization of insulating fire bricks. These exceptional bricks are meticulously crafted to endure extreme temperatures and deliver remarkable insulation capabilities. By employing lightweight materials with minimal thermal conductivity, they effectively retain heat and minimize energy dissipation within the furnace. Withstanding temperatures up to 3000°F (1650°C), these bricks are extensively employed in a range of furnaces, such as kilns, incinerators, and industrial furnaces. Their insulation properties significantly enhance energy efficiency and curtail fuel consumption, rendering them a preferred selection for furnace applications.
Q:
Yes, insulating fire bricks can be used in the construction of smelting furnaces. These bricks are designed to withstand high temperatures and provide excellent insulation, making them suitable for smelting furnaces where heat retention is crucial. They help to minimize heat loss and maintain the desired temperature within the furnace, thus improving energy efficiency and overall performance.
Q:
Yes, insulating fire bricks can be used in the construction of hearth furnaces. Insulating fire bricks are specially designed to have low thermal conductivity, which makes them ideal for applications where heat insulation is required. In the construction of hearth furnaces, where high temperatures are involved, insulating fire bricks can help to retain the heat within the furnace and improve energy efficiency. They can also provide thermal protection to the surrounding structures by minimizing heat transfer. Additionally, insulating fire bricks are lightweight and easy to handle, which makes them convenient for construction purposes. Overall, using insulating fire bricks in the construction of hearth furnaces can enhance their performance and contribute to a more efficient and effective heating process.
Q:
Yes, insulating fire bricks are highly resistant to flame spread. These bricks are specifically designed to withstand high temperatures and effectively contain and insulate heat. They are made from refractory materials that have low thermal conductivity, which means they are excellent at preventing heat transfer and resisting flame spread. Insulating fire bricks are commonly used in applications such as kilns, furnaces, and fireplaces, where the ability to withstand and control high temperatures is crucial. Their resistance to flame spread makes them a reliable and safe choice for these types of environments.
Q:
Indeed, the utilization of insulating fire bricks is possible for the construction of ceramic fiber-lined kilns. These specialized bricks are purposely designed to deliver exceptional insulation, rendering them ideal for situations that prioritize heat retention. By combining them with ceramic fiber lining, insulating fire bricks contribute to enhanced energy efficiency and diminished heat dissipation within kilns. Moreover, their lightweight nature and ease of handling facilitate simpler installation and construction of the kiln. Ultimately, the incorporation of insulating fire bricks in the construction of ceramic fiber-lined kilns positively impacts the kiln's overall performance and efficiency.
Q:
Yes, insulating fire bricks can be cut or shaped as needed. They are typically made from lightweight materials such as ceramic fibers, which can be easily cut using a saw or other cutting tools. Additionally, they can be shaped using a knife or sandpaper to achieve the desired form.
Q:
Yes, it is possible to recycle broken insulating fire bricks. These bricks can be crushed and used as aggregate in the production of new bricks or other construction materials. Additionally, they can be ground into a fine powder and used as a raw material in the manufacturing of refractory products. Recycling broken insulating fire bricks helps reduce waste and conserve resources.
Q:
Insulating fire bricks are primarily designed to provide insulation rather than structural support. While they can withstand high temperatures and are resistant to thermal shock, they are not typically intended to bear heavy loads or serve as load-bearing components in structural applications. Insulating fire bricks are more commonly used in situations where thermal insulation is required, such as lining kilns, furnaces, and fireplaces. For structural purposes, it is generally recommended to use refractory bricks or other materials that are specifically engineered to provide strength and durability under load.
Q:
Yes, insulating fire bricks can be used for insulation in smelters. Insulating fire bricks are specifically designed to withstand high temperatures and provide excellent thermal insulation. They are made from lightweight refractory materials that have low thermal conductivity, allowing them to effectively retain heat and minimize heat loss. This makes them ideal for use in smelters, where maintaining high temperatures is crucial for efficient metal smelting processes. Additionally, insulating fire bricks are resistant to chemical attack and mechanical stress, ensuring their durability and suitability for use in harsh smelting environments.

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