Specifications
Material: Fireclay / High Alumina
Al₂O₃: ≥ 30%
Size: 230 × 114 × 65 / 75 mm (custom sizes available)
Refractory bricks are dense shaped refractory materials characterized by high refractoriness and excellent mechanical strength at elevated temperatures. They are essential materials for high-temperature applications and are widely used in industrial furnaces, kilns, and other thermal processing equipment.
Refractory bricks have a wide range of applications in industries such as metallurgy, construction (cement and glass), petroleum, chemical processing, power generation, and machinery manufacturing.
Fireclay bricks are available in a variety of specifications and dimensions. They are widely used in glass furnaces, blast furnaces, hot-blast stoves, cement kilns, chemical furnaces, and other high-temperature thermal equipment.
Index | Unit | Grade III Fireclay Brick | |
SK30 | SK32 | ||
Al₂O₃ ≥ | % | 30 | 32 |
Fe₂O₃≤ | % | 3.5 | 3.5 |
Apparent porosity | % | ~24 | ~24 |
Bulk density | g/cm³ | ~2.05 | ~2.10 |
Cold crushing strength ≥ | MPa | ≥25 | ≥30 |
Refractoriness under load (0.2MPa) ≥ | ℃ | 1280 | 1300 |
Refractoriness | ℃ | 1650 | 1680 |
Thermal expansion at 1000℃ | % | ≤0.6 | ≤0.6 |