Categories | High Alumina Refractory Brick |
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Brand Name: | Rongsheng |
Model Number: | LZ-55, LZ-60, LZ-70, LZ-75 |
Certification: | ISO9001 MSDS |
Place of Origin: | Henan China |
Payment Terms: | L/C, T/T, Western Union |
MOQ: | 5 Tons |
Price: | usd 200-500 per ton |
Supply Ability: | 5000 tons per month |
Delivery Time: | Within 25 working days after the prepayment |
Packaging Details: | Packed on wooden pallets and water-proof cover |
Product name: | High Alumina Fire Brick |
Size: | 230*114*65mm |
Al2O3, %: | 55-80 |
Material: | High alumina bauxite |
Origin: | Xinmi |
Certificate: | ISO9001 CE SGS |
Company Info. |
Zhengzhou Rongsheng Refractory Co., Ltd. |
Verified Supplier |
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Product List |
Fire Proof 230*114*65mm Refractory Fire Bricks 55% Al2o3 , Furnaces And Kiln Bricks
Fire-proof High Alumina Refractory Brick 230*114*65mm 55%Al2O3 for Furnaces and Kilns
Category of Refractory Brick/Fire Brick:
a) According the made method, it can be divided into burnt brick, unburned brick, and electric smelting brick.
b) According the shape and size, it can be divided into standard brick, general brick and abnormal shape brick.
c) According the content of the Al2O3, it can be divided into fire clay brick and high alumina brick.
Features:
Resistance to High temperature, Resistance to erosion, resistance to abrasion;
Excellent compression strength;
Resistance to acid and alkali;
Excellent heat stability.
Application
The high alumina bricks are widely applied to industrial furnace, glass furnace, chemical industrial furnace, utility industry furnace lining, smelting furnace, and heat insulation ventilation wall.
Properties of High Alumina Brick:
Al2O3 (%) | ≥60 | ≥70 | ≥75 | 80 |
SIO2 (%) | 32 | 22 | 20 | ≥18 |
Fe2O3 (%) | ≤1.7 | ≤2.0 | ≤1.8 | ≤1.8 |
Na2O+K2O(%) | <2.3 | <2.0 | <1.2 | |
Refractoriness | 1790 | >1770 | >1790 | ≥1790 |
refractoriness under load 0.2mpa(°C) | 1450 | >1510 | >1520 | ≥1520 |
Porosity (%) | 22 | <22 | <21 | 20 |
Bulk density(g/cm3) | 2.33 | 2.43-2.48 | 2.45-2.55 | 2.55 |
Cold Cushing strength (Mpa) | ≥45 | ≥50 | ≥54 | ≥60 |
Thermal expansion at 1000°C (%) | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 |
Reheating shrinking change(%) 1500°CX24h | -0.3 | -0.3 | -0.3 | -0.3 |