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Lightweight Insulating Fire Brick Wholesale

Home / Products / Refractory Brick / Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction
  • Light Brick and Insulating Brick with High Strength and Low Heat Conduction

Light Brick and Insulating Brick with High Strength and Low Heat Conduction

Application: For thermal insulation of various industry furnaces, such as the wall of ceramic tunnel kilns and insulation material of blast stoves.


Property: Adopt high-quality raw materials and specific techniques; high compressive strength, uniform structure, light heavy, low price, and obvious energy conservation effect.
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Typical Chemical and Physical Index:

Insulation Brick

High Aluminium

 

NG

0.6

NG

0.8

NG

0.9

NG

1.0

NG

1.2

LG

0.6

LG

0.8

LG

0.9

LG

1.0

LG

1.2

Bulk Density(g/cm³)

0.6

0.8

0.9

1.0

1.2

0.6

0.8

0.9

1.0

1.2

Normal Temperature Compressive Strength (Mpa)

1.5

2.5

2.5

3.0

3.5

2.0

3.0

3.5

4.0

4.5

Reburning Line Change ℃× hr % ≤

1200×4

2

1300×4

2

1350×4

2

1400×4

2

1400×4

2

1350×4

1.5

1400×4

1.5

1400×4

1.5

1400×4

1.5

1450×4

1.5

Al2O3 ≥

37

40

40

42

42

50

50

52

52

55

SiO2 ％ ≥

59

56

56

54

54

46

46

44

44

41

Fe2O3 ％ ≤

3.0

2.5

2.5

2.5

2.5

1.8

1.8

1.5

1.5

1.5

Thermal Conductivity (w/m.k)

0.25

0.35

0.4

0.5

0.6

0.25

0.3

0.35

0.45

0.55

 Operating Temperature (℃)

1150

1200

1250

1300

1300

1250

1280

1280

1300

1300


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Company
Dongtai Hongda Heat Resistant Material Co., Ltd.
Dongtai Hongda Heat Resistant Material Co., Ltd. is China Lightweight Insulating Fire Brick Manufacturers and Wholesale Lightweight Refractory Brick Suppliers dedicated to the research and development of high-grade insulating refractory products, specializing in the petrochemical, metallurgy, ceramics, new energy, electronics, mechanical heat treatment and other industries. It provides high-quality HJM series of insulating refractory products and amorphous castables.
Founded in 2008 with a registered capital of 20 million yuan, the company is located in Dongtai, Jiangsu Province, the home of China's refractory materials, with a beautiful environment and convenient transportation.
With a complete quality control and assurance system and in strict accordance with the American ASTM standard organization of production, the company has passed the ISO 9001:2015 quality certification in 2010, the ISO 14001:2015 environmental certification in 2019, the ISO 45001:2018 occupational health certification in 2022, achieving total quality management of the production process. We have a variety of domestic advanced manufacturing equipment, including automatic batching and molding lines, 1500 high-temperature tunnel kilns, 1700 shuttle kilns, machining equipment, product firing temperature range from 1200℃ to 1800℃, the current production capacity of 20,000 tons of insulation materials.
The company has the right to import and export agents around the world. Our products not only enjoy a high reputation in the country, but are also exported to Italy, Britain, Spain, South Korea, Japan, India, and other countries and regions by both domestic and foreign customers.
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Material Properties of Lightweight Insulating Fire Brick

Lightweight insulating bricks are an insulating material with excellent performance in high-temperature industrial applications, and their material properties are the cornerstone of their outstanding performance.
main raw materials
The preparation of lightweight insulation bricks mainly uses raw materials such as lightweight clay, high temperature stabilizers and foaming agents. Lightweight clay is a natural material with low density and good processability, which is an important basis for lightweight insulation bricks. The addition of high-temperature stabilizer helps improve the stability of the bricks in high-temperature environments and prevents structural cracks caused by high temperatures. The foam agent introduces bubbles during the preparation process, reducing the overall density and enhancing the thermal insulation performance.
Particle size distribution and formulation control
The preparation of lightweight insulation bricks requires precise proportioning and particle size control of raw materials. The control of particle size directly affects the density and mechanical properties of the brick. Through scientific formula and particle size distribution control, the brick body can be ensured to have ideal lightweight and thermal insulation properties. Reasonable formula and control technology are important guarantees for lightweight insulation bricks to be widely used in high-temperature industries.
Low density and high porosity
One of the material properties of lightweight insulating bricks is their low density and high porosity. The low density makes the brick body relatively light, which helps reduce the burden on the equipment structure and reduces construction and transportation costs. High porosity means that there are a large number of tiny pores in the brick body, which can effectively isolate heat conduction, improve thermal insulation performance, and reduce energy consumption.
High temperature stability
Since application scenarios usually involve high-temperature processes, the high-temperature stability of lightweight insulation bricks is one of their indispensable characteristics. High temperature stability is achieved by adding high temperature stabilizers, which can maintain the structural stability of the bricks at high temperatures and prevent damage caused by thermal expansion and contraction. This allows lightweight insulating bricks to maintain excellent performance in extreme high-temperature environments.
Excellent thermal insulation properties
One of the main advantages of lightweight insulating bricks is their excellent thermal insulation properties. Its pore structure and low thermal conductivity enable the brick to effectively isolate heat conduction and slow down heat loss. The use of lightweight insulation bricks in high-temperature industrial equipment can significantly reduce energy consumption and improve industrial production efficiency.

Advantages of Lightweight Insulating Fire Brick

As a popular insulation material in high-temperature industries, lightweight insulation bricks have advantages in many aspects, covering performance, economy, environmental protection and other aspects.
Thermal insulation properties
The primary advantage of lightweight insulating bricks is their excellent thermal insulation properties. The high porosity and low thermal conductivity of its material enable the insulation material to effectively slow down heat conduction, thereby fully exerting its thermal insulation effect in high-temperature industrial environments. This characteristic is crucial for various high-temperature industrial equipment, such as furnaces, heat treatment equipment, etc., helping to reduce energy consumption and improve equipment efficiency.
Low density and lightweight design
The material of lightweight insulation bricks is relatively light. Due to its low density and lightweight design, it effectively reduces the overall weight of the equipment. This has a positive impact on the design and manufacturing of high-temperature industrial equipment. It not only simplifies the structure and reduces construction costs, but also reduces the weight of the equipment and extends the life of the equipment.
High temperature stability and durability
Due to the addition of high-temperature stabilizer in lightweight insulation bricks, they can maintain structural stability in high-temperature environments and prevent damage caused by thermal expansion and contraction. This makes the lightweight insulation bricks have excellent high-temperature stability and durability, and can withstand long-term, high-temperature working environments, reducing equipment maintenance costs and improving equipment reliability.
Energy saving and environmental protection
The application of lightweight insulation bricks has significant effects in energy saving. Its excellent thermal insulation properties help reduce energy consumption, reduce heat loss, and improve energy utilization efficiency. This not only conforms to the concept of sustainable development, but also helps reduce the company's production costs and promote green manufacturing.
Plasticity and ease of processing
Lightweight insulation bricks have good plasticity and easy processing, and can be customized according to specific engineering requirements. This characteristic allows it to be flexibly used in complex shapes and structures of various high-temperature equipment, improving design flexibility and reducing manufacturing costs.
Reduce maintenance costs
The high-temperature stability and durability of lightweight insulation bricks enable them to work stably for a long time in high-temperature environments, reducing equipment downtime and maintenance time. This not only improves production efficiency, but also reduces maintenance costs, which has significant advantages in improving the reliability and economy of industrial equipment.
Wide range of applications
Due to its comprehensive advantages, lightweight insulation bricks have been widely used in many high-temperature industrial fields. It can not only be used in traditional industries such as metal smelting, ceramic manufacturing, and glass production, but also in emerging fields such as new energy industry, aerospace, etc., demonstrating its adaptability and market prospects.