Lightweight Refractory Thermal Insulation Insulating Fire Brick

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1.Fire Clay Insulating Brick Description

The Al2O3 content of light clay refractory bricks is 30% to 46%. It is a lightweight refractory product, which is mainly composed of clay or light clinker. Usually, it can be made combustible by chemical or foam method, and finally, form a multi-hollow structure. The bulk density of commonly used lightweight clay bricks is 0.75~1.20g/cm3, the compressive strength is 2.0~5.9Mpa, and the thermal conductivity is 0.221~0.442W/m.k (1350°C).

Item	1.0	2.0	3.0
Al2O3 (%)	38--40	38--40	38--40
Fe2O3(%)	4	44	1.2
SiO2(%)	55	55	55
Bulk Density (g/cm3)	0.6	0.8	1.0
Apparent Porosity %	70	60	55
Cold Crushing Strength(Mpa) ≥	2.0	2.5	3.0
Thermal Conductivity(W/m.k)(1000°C)	0.33	0.60	0.45
Max Service Temperature (°C)	1200	1280	1300

2.Fire Clay Insulating Brick Features

1. Good heat resistance and high-temperature resistance.

2. The thermal expansion is small and the peeling resistance is good.

3. Good corrosion resistance.

4. Good sintering resistance.

3.Fire Clay Insulating Brick Applications

Lightweight clay thermal insulation bricks are corrosive thermal insulation materials and will not come into contact with molten materials. They are mainly used in various industrial furnaces.

4.Fire Clay Insulating Brick Packing

After years of experience accumulation, so far, our company has fully possessed the production capacity of high-performance Lightweight Refractory Thermal Insulation Insulating Fire Brick. With a high-quality technical management team and high-precision production and processing equipment, we have the ability to produce premium products. We establish a learning team and give full play to our talent advantage.

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