Silicon carbide ceramic insulation board

Flexural strength: 400-600 MPa.

Compressive strength: ≥400 MPa.

Thermal conductivity: 100-200 W/(m·K).

Operating temperature: ≤1600℃.

Coefficient of thermal expansion: 4-5 × 10⁻⁶/K.

Density: Approximately 3.2 g/cm³.

Overview
Specification
FAQ

Ⅰ.

Product Introduction of Silicon Carbide Ceramic Insulation Boards:

Silicon carbide ceramic insulation boards are high-performance ceramic materials based on silicon carbide (SiC).  Their manufacturing process involves the formation of a dense silicon carbide structure through complex chemical reactions between high-purity carbon and silicon. This material possesses the following significant characteristics:

1. High hardness: With a Mohs hardness of approximately 9.5, close to that of diamond, it is suitable for high-wear environments.

2. High temperature resistance: It has a melting point of up to 2700℃ and can operate stably for extended periods at 1600℃, and withstand temperatures above 2000℃ for short periods.

3. High thermal conductivity: The thermal conductivity reaches 120-270 W/m·K, significantly superior to traditional ceramic materials.

4. Chemical stability: It exhibits excellent corrosion resistance to strong acids, strong bases, and corrosive gases.

5. Oxidation resistance: An oxide film forms on the surface under high-temperature conditions, effectively preventing further oxidation.


Ⅱ.

Application Fields

Silicon carbide ceramic insulation boards have wide applications in several industrial fields:

1. High-temperature and metallurgical industries: furnace linings, crucibles, burner nozzles, refractory bricks, insulation boards, etc.

2. Mechanical manufacturing: wear-resistant components such as sealing rings, bearings, guide rails, and cutting tools.

3. Semiconductor electronics: heat dissipation substrates, electronic packaging, and etching equipment components.

4. Chemical and environmental protection: corrosion-resistant pipes, high-temperature flue gas filters, and catalyst carriers.

5. Energy and nuclear industry: nuclear reactor materials, fuel cladding tubes.


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