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High Alumina Insulation Brick/

 Light Weight High Alumina Insulation Brick

Product advantages: High quality and competitive price

Supply advantage: Fully automatic intelligent refractory production line

Certification: We have been approved by ISO9001/ISO14001

Sample: Sample testing is available

After Sales Service: 7*24 hours responsive customer online service, fast delivery service worldwide.

Customization: Customized refractory materials and solutions according to customer requirements.

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Lightweight high alumina insulation brick,  also called High alumina lightweight brick, the alumina content is above 48%, and the major crystalline phase is mullite、corundum, and glass phase. Build density between 0.4~1.35g/cm3, cold crushing strength between 1-8 MPa. It has the characteristics of high service temperature, low impurity content, high-temperature resistance, and good heat insulation performance.

 high alumina insulation brick
high alumina insulation brick

Technical parameter of lightweight high alumina insulation brick

Al2O3  %≥48
Fe2O3  %≤2
Bulk Density  g/cm3≤1.2≤1.0≤0.8≤0.7≤0.6≤0.5
Cold Crush Strength,MPa≥4.5≥3.5≥2.5≥2.2≥1.6≥1.2
Permanent Linear Change Rate,%1400℃×12h
Thermal Conductivity W/(m·K)

Application fields of lightweight high alumina bricks

Widely used in ceramic tunnel kilns, roller kilns, shuttle kilns, steel industry coking furnaces, and other thermal equipment. Mainly used for lining and insulation in areas not subject to strong erosion by high-temperature melts. When in direct contact with flame, the surface contact temperature shall not be higher than 1350℃.

Lightweight high alumina bricks shipping

high alumina insulation brick
high alumina insulation brick

Rongsheng high alumina brick factory

Lightweight high alumina brick size inspection
lightweight high alumina brick size inspection

Rongsheng is a refractory material factory that supports customizing refractory bricks of different shapes and aluminum contents. Only high-aluminum insulation bricks that meet the standards can be packaged and transported. Please feel free to contact us if needed.


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