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info@rsrefractories.comCarbon brick is a high-performance refractory material made primarily from carbon materials such as coke. It has exceptional high-temperature resistance, capable of withstanding temperatures above 3000°C. Carbon bricks also exhibit excellent thermal conductivity and resistance to chemical corrosion, including acids, alkalis, and molten metals. Additionally, they offer strong impact resistance and abrasion resistance, making them suitable for harsh industrial environments in metallurgy, chemicals, and petrochemicals. With a low thermal expansion coefficient, carbon bricks maintain structural stability at high temperatures and are widely used in high-temperature furnaces and reactors.
| Item | Specification |
|---|---|
| Chemical Composition | Carbon (C) content: 90% - 98% |
| Common Materials | Coke, graphite, carbonized materials |
| Density | 1.7 - 2.1 g/cm³ |
| Refractoriness | > 3000°C |
| Thermal Conductivity | 20 - 30 W/m·K (at high temperatures) |
| Compressive Strength | 25 - 40 MPa |
| Bending Strength | 5 - 12 MPa |
| Thermal Expansion Coefficient | 1.0 - 2.5 × 10⁻⁶ /°C |
| Chemical Corrosion Resistance | Excellent (resistant to acids, alkalis, molten metals, etc.) |
| Abrasion Resistance | Excellent |
| Impact Resistance | Excellent |
| Porosity | 15% - 25% |
Carbon bricks are widely used in high-temperature and corrosive environments. Common applications include:
Metallurgy: Lining furnaces, blast furnaces, and steelmaking converters.
Chemicals: Reactors, kilns, and incinerators in the chemical industry.
Petrochemicals: High-temperature processing units and refining equipment.
Glass Industry: Furnaces for glass melting and production.
Cement Industry: Rotary kilns and other high-temperature equipment.
Their resistance to high heat, corrosion, and abrasion makes them ideal for these demanding environments.
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