Categories | High Alumina Refractory Brick |
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Brand Name: | Rongsheng Xinwei |
Model Number: | RS-48, RS-55, RS-65, RS-75, RS-80 |
Certification: | ISO9001 |
Place of Origin: | Zhengzhou ,China |
MOQ: | 1 Ton |
Price: | 200-800USD |
Payment Terms: | TT; L/C |
Supply Ability: | 2000tons /month |
Delivery Time: | 20-30DAYS |
Packaging Details: | packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages |
Application Temperature: | 1400-1600℃ |
Bulk Density: | ≥2.2g/cm3 |
Cold Crushing Strength: | ≥50Mpa |
Color: | Red |
Compressive Strength: | 100-120Mpa |
Density: | 2.2-2.4g/cm3 |
Linear Change Rate: | ≤0.2% |
Material: | High Alumina Refractory Brick |
Moisture Content: | ≤1.5% |
Porosity: | ≤22% |
Refractoriness: | 1700-1790℃ |
Shape: | Rectangle |
Size: | Customized |
Thermal Conductivity: | 0.3-0.6W/m.k |
Thermal Expansion: | 0.6-1.2% |
Brief Introduction of High Alumina Refractory Brick for Steel Furnace With 48-80% Al2O3 Refractory Fire Bricks For Sale
High alumina brick is a kind of alumina-silicate refractory material with content of alumina oxide more than 48%. It is calcined and formed by the raw material of banxite or the material with high content of AL2O3. High thermal stability, the refractoriness is more than 1770℃. Good slag resistance, used for the liner of masonry steel-making electric stove, glass furnace and cement revolver.
Item | Properties | |||||
RS-80 | RS-75 | RS-65 | RS-55 | RS-48 | ||
Al2O3 (%) | 80 | ≥75 | ≥65 | ≥55 | ≥48 | |
Refractoriness (°C ) | ≥1790 | ≥1790 | ≥1790 | ≥1770 | ≥1750 | |
Bulk density (g/cm3) | 2.65 | 2.5 | 2.45 | 2.4 | 2.3 | |
Softening temperature under load (°C ) | 1530 | ≥1520 | ≥1500 | ≥1470 | ≥1420 | |
Linear changes on reheating (%) | 1500°CX2H | 0.1 | 0.1 | 0.1 | 0.1 | |
-0.4 | -0.4 | -0.4 | -0.4 | |||
1450°CX2H | 0.1 | |||||
-0.4 | ||||||
Apparent porosity (%) | 22 | ≤23 | ≤23 | ≤22 | ≤22 | |
Cold crushing strength (Mpa) | 55 | ≥50 | ≥45 | ≥40 | ≥35 |
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