According to the standard classification of refractory materials, refractory bricks with an Al2O3 content of more than 48% are referred to high alumina bricks. As an experienced refractory brick supplier in China, Kerui provides outstanding high alumina refractory bricks for sale. The performance of Kerui high alumina refractory brick is excellent because of high-quality raw materials and advanced manufacturing processes.
Al2O3% (≥)
Bulk Density (g/cm³)
Refractoriness Under Load (℃)
Cold Crushing Strength (MPa)
High alumina refractory brick is a kind of refractory brick with high content of alumina. This brick belongs to neutral refractory material. Customers can use high alumina bricks in various industries except the environment of strong acid and strong alkali. Additionally, high alumina refractory brick is known for excellent resistance to high heat and corrosion. To make it clear, we introduce chemical composition of high alumina refractory brick here:
The biggest different among each alumina bricks for sale is the content of Al2O3. Importantly, the standard size of Kerui high alumina brick for sale is 230×114×65mm. Besides, Kerui also supports customized high alumina refractory bricks.
Item/Grade | LZ-80 | LZ-75 | LZ-70 | LZ-65 | LZ-55 | LZ-48 | LZ-75G | LZ-65G | LZ-55G | |
---|---|---|---|---|---|---|---|---|---|---|
ω (Al2O3)/% | μ0 ≥ | 80 | 75 | 70 | 65 | 55 | 48 | 75 | 65 | 55 |
σ | 1.5 | |||||||||
Apparent Porosity/% | μ0 ≤ | 21 (23) | 24 (26) | 24 (26) | 24 (26) | 22 (24) | 22 (24) | 19 | 19 | 19 |
σ | 1.5 | |||||||||
Cold Crushing Strength/MPa | μ0 ≥ | 70 (60) | 60 (50) | 55 (45) | 50 (40) | 45 (40) | 40 (35) | 65 | 60 | 50 |
Xmin | 60 (50) | 50 (40) | 45 (35) | 40 (30) | 35 (30) | 30 (35) | 55 | 50 | 40 | |
σ | 15 | |||||||||
0.2MPa Refractoriness Underload/℃ | μ0 ≥ | 1530 | 1520 | 1510 | 1500 | 1450 | 1420 | 1520 | 1500 | 1470 |
σ | 13 | |||||||||
Permanent Linear Change/% | Xmin Xmax | 1500℃*2h -0.4~0.2 | 1450℃*2h -0.4~0.1 | 1500℃*2h -0.2~0.1 | 1450℃*2h -0.2~0 | |||||
Whether you need larger bricks for industrial furnaces or smaller firebricks for intricate lining applications, Kerui can accommodate your specific size preferences. By providing customized sizes, Kerui ensures that their refractory bricks fit seamlessly into your projects, optimizing efficiency and performance.
Different applications demand different shapes of high alumina refractory bricks to effectively withstand thermal stresses. Common special-shaped high alumina bricks are: side arch bricks, end arch bricks, key bricks and so on. Overall, high alumina bricks with customized shapes are helpful to facilate your furnaces and business.
Chemical compositions play a crucial role in determining the performance and suitability of refractory bricks for particular applications. This customization allows you to select from: low creep high alumina brick, anti spalling high alumina brick, high thermal shock high alumina brick, cordierite high alumina brick, high alumina mullite brick, etc.
Except for the technical specifications, the appearance of refractory bricks can also be customized. Whether you want a particular color, texture, or other mark on bricks, Kerui can satisfy your requests. Actually, the brick with customized appearance can improve your efficiency greatly! If you’re interested, please can contact Kerui now to get a quick reply.
Kerui high alumina exhibits outstanding performance under extreme thermal conditions. With the excellent alumina content, pure raw materials as well as superior structural integrity, these bricks can withstand high temperatures, chemical corrosion and mechanical stress. Therefore, you can use this brick in various conditions.
The high-performance of Kerui alumina high temp fire bricks contributes to enhanced operational efficiency. Besides, Kerui high alumina refractory bricks use raw materials with high purity and higher refractoriness. Additionally, applying this brick to your high-temperature kilns and it can effectively reduce downtime and bring higher work efficiency.
Choosing Kerui high alumina bricks for sale can bring significant cost savings over the long term. These bricks are known for the durability and extended service life. Besides, it can reduce the frequency of replacement and maintenance. Therefore, Kerui high alumina refractories are more profitable and cost-effective for your business.
The exceptional refractoriness and chemical resistance properties make high alumina brick an ideal choice for various industries. Thus, industries that can use Kerui high alumina bricks include: steel and iron industry, cement industry, glass industry, non-ferrous industry, petrochemical industry, powder industry and so on.
Kerui high alumina bricks can also play the best performance in harsh working environments. Besides, this kind of fire resistant bricks for sale has a long service life and can be applied in: high temperature areas of industrial furnaces and boilers, linings of electric furnaces, furnaces, rotary kilns, furnace roofs, coke ovens and quench towers, large kilns, chimneys and other parts of high temperature kilns.
As an original high alumina brick manufacturer, Kerui offers competitive price. Because we can effectively control production costs and ex-factory price. Therefore, customers can also save both time and money by eliminating intermediate links. To obtain a more favorable price of high alumina bricks, it is advisable to consider bulk purchases and establish long-term cooperation with Kerui. Get in touch with Kerui now to receive the latest price list for high alumina bricks. For more information about Kerui high alumina brick, please follow our Facebook.
With strong manufacturing ability, Kerui factory equips with advanced technology and modern infrastructure. The annual output of Kerui refractory materials reaches 150,000 tons, which has the ability to provide high-quality refractory bricks stably. Additionally, the factory is located in Ximni City, Henan Province. It’s one of the largest refractory industry zones in China.
From raw materials to final high alumina bricks, Kerui has strict quality control. Additionally, the final bricks will be checked twice and conducted random inspection to ensure each index is qualified. The manufacturing process and products have ISO certifications. Therefore, customers can buy Kerui high alumina refractory bricks with trust.
Kerui helps customers succeed through customized services. From the selection of high alumina refractory bricks to the final installation guidance, customers can enjoy one-to-one customized service. Therefore, it’s helpful to minimize the priject cost as well as maximize the value of each kind of product in your kiln.
Over the past decades, Kerui has built a solid reputation in the industry as a trusted high alumina brick supplier. Moreover, Kerui’s partners include the world’s top 500 companies and well-known companies in the refractory industry. Besides, Kerui has become their designated long-term cooperation suppliers.
Top-quality high alumina bricks from Kerui can contribute to the success of your project. Moreover, Kerui promises considerate and responsible services. If you’re considering purchasing high alumina refractories, Kerui should be your preferred supplier! We’re looking forward to learning about your needs and providing satisfactory solutions!