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Alumina Bubble Refractory Brick Wholesale

Home / Products / Refractory Brick / Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick
  • Alumina Bubble Brick

Alumina Bubble Brick

Description: Foaming agent and stabilizer is added to refractory mortar prepared from refractory materials, which is uniformly adsorbed around the bubble, and then sealed spherical pores are formed after pouring, drying and firing. There are four different marks for the alumina bubble bricks that we manufacture to satisfy the thermal device liner requirements.

 

Applications: Mainly apply to the lining materials for the anti-carburizing furnaces of thermal treatment industry, tube heating furnaces, ethylene cracking furnaces, synthesis and kilns of medium and high temperature industry.

 

Property: Great insulating performance and chemical stability, low impurity content, accurate overall dimension, long service life, and such brick can be fine finished into various products according to the design requirements of the clients.

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Typical Chemical and Physical Index:

HPM0.48

HPM0.6

HPM0.8

HPM1.0

Classification Temperature(℃)

1230

1230

1430

1510

Bulk Density(g/cm³)

0.48

0.6

0.8

1.0

Reburning Line Change ℃× hr % ≤

1180×12

0.5

1200×12

0.5

1380×12

0.5

1450×12

0.5

Normal Temperature Compressive Strength (Mpa）

1.2

1.5

2.2

3.0

Flexural Strength At Room Temperature(Mpa)

0.8

0.9

1.2

1.5

Thermal Conductivity 350 w/m.k

0.16

0.19

0.24

0.30

Chemical Components %

Al2O3≥

45

50

50

58

Fe2O3≤

0.8

0.8

0.8

0.8

 


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Company
Dongtai Hongda Heat Resistant Material Co., Ltd.
Dongtai Hongda Heat Resistant Material Co., Ltd. is China Alumina Bubble Brick Manufacturers and Wholesale Alumina Bubble 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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Industry knowledge expansion

Structural design features of Alumina Bubble Brick

In high-temperature industrial fields, Alumina Bubble Brick is popular for its excellent performance and reliability. However, its brilliance lies not only in its choice of materials but also in its carefully designed structure.
The structural design features of Alumina Bubble Brick are mainly reflected in its material selection, pore structure and microstructure. These aspects work together to lay a solid foundation for its excellent performance.
Selection of high-purity alumina materials
The basis of Alumina Bubble Brick is high-purity alumina material, and its preparation process is carefully controlled to ensure that the impurity content in the material is extremely low. This high-purity alumina is the primary guarantee for Alumina Bubble Brick’s superior performance, as it maintains structural stability and fire resistance in high-temperature environments.
Uniform distribution of bubble alumina particles
Alumina Bubble Brick is unique in that its structure contains bubble alumina particles with evenly distributed pores within them. By precisely controlling the size and distribution of bubbles, manufacturers were able to achieve the lightweight structure required by the Alumina Bubble Brick. This design feature not only reduces the weight of the device, but also improves the plasticity of the material, making it more suitable for various complex-shaped application scenarios.
Optimization of pore structure
The pores in Alumina Bubble Brick's structure are one of the keys to its superior performance. These pores form the material's unique pore structure, providing it with excellent thermal insulation properties. In high-temperature industrial environments, it is crucial to prevent heat from being conducted into the interior of the equipment, and the structure of the Alumina Bubble Brick effectively slows down the heat conduction speed through the pore design and improves the overall thermal insulation effect of the equipment.
Advantages of Microstructure
The microstructure of Alumina Bubble Brick is also an important part of its excellent performance. Through advanced sintering technology, bubble alumina particles are able to form a strong and stable structure at high temperatures. The advantage of this microstructure not only enhances the material's fire resistance, but also enables it to perform well under extreme conditions such as high temperature and chemical corrosion.
structural sustainability
The structural design of Alumina Bubble Brick focuses on sustainability, and its design not only pursues performance excellence, but also focuses on the longevity of the material and environmental friendliness. The structural design of Alumina Bubble Brick reflects a commitment to sustainability by considering the recycling and reuse of materials.

Alumina Bubble Brick Features and Benefits

In high-temperature industrial applications, Alumina Bubble Brick stands out with its unique characteristics and significant advantages, becoming a leader in the field of refractory materials.
Lightweight and high strength
One of the first attributes of Alumina Bubble Brick is its light weight and high strength. This property comes from the bubbled aluminum oxide particles contained in the material, giving it an overall lower density. The lightweight feature reduces the load of high-temperature equipment, making Alumina Bubble Brick an ideal choice for more flexible design and easier transportation. At the same time, despite being lightweight, Alumina Bubble Brick still maintains high strength and can operate stably under extreme conditions, extending the service life of the equipment.
Excellent fire resistance
What makes Alumina Bubble Brick outstanding is its excellent fire resistance. Since its main component is bubbled alumina, Alumina Bubble Brick can easily handle the extreme temperatures found in hot industrial environments. In aluminum smelting furnaces, glass kilns and other equipment, Alumina Bubble Brick shows excellent stability and resists the attack of high temperature and chemical corrosion. This fire-resistant performance is the key to ensuring continuous and stable operation of industrial production, making Alumina Bubble Brick one of the preferred refractory materials in high-temperature environments.
Excellent thermal insulation properties
Alumina Bubble Brick's porous structure gives it excellent thermal insulation properties. This pore structure effectively slows down the conduction speed of heat and prevents high temperature from spreading into the interior of the device. In glass manufacturing, metallurgy and other high-temperature industrial applications, the thermal insulation properties of Alumina Bubble Brick are fully utilized to significantly improve the energy efficiency of equipment. The excellent thermal insulation performance not only helps reduce energy consumption, but also improves the economy and sustainability of overall industrial production.
Resistance to hot and cold cycles
Alumina Bubble Brick not only performs well at high temperatures, but also demonstrates superior performance in hot and cold cycles. Withstanding frequent high temperature and cooling cycles, Alumina Bubble Brick is able to maintain the stability and strength of its structure regardless of temperature changes. This resistance to hot and cold cycles makes it particularly suitable for high-temperature industrial processes that require frequent heating and cooling, providing reliable protection for equipment.
Wide range of applications
The characteristics and advantages of Alumina Bubble Brick make it widely used in multiple high-temperature industrial fields. In addition to traditional fields such as aluminum smelting, glass manufacturing, metallurgy and steel production, it also shows strong applicability in the chemical industry, power industry and other fields. This wide range of applications demonstrates the many advantages of the Alumina Bubble Brick, making it an integral part of the high-temperature industry.