Silicon carbide ceramic crucible support

Product Introduction of Silicon Carbide Ceramic Crucible Supports:

Silicon carbide ceramic crucible supports are supporting devices made from high-purity silicon carbide (SiC), featuring non-porous and impermeable properties, and are specifically designed for high-temperature environments. Their main purpose is to support crucibles, playing a crucial role in high-temperature melting and powder sintering processes in metallurgy, semiconductor manufacturing, chemical engineering, and other fields.

Technical Parameters and Performance Characteristics

Temperature Resistance: Can operate stably in high-temperature environments above 1600℃ for extended periods, with short-term temperature resistance up to 2700℃.

1. Physical Characteristics:

• Mohs hardness: 9.5, second only to diamond.

• Thermal conductivity: 120-200 W/m·K.

• Coefficient of thermal expansion: 4.0-4.5×10⁻⁶/K.

• Bulk density: 1.5-1.6 g/cm³.

2. Chemical Characteristics:

• Excellent oxidation resistance and resistance to acid and alkali corrosion.

• Extremely strong resistance to most molten metals.

• Extremely low intrinsic vapor pressure and impurity content.

• Service Life: 3-5 times longer than ordinary graphite crucibles.

Product Features

1. High temperature stability: Maintains structural integrity at extreme temperatures.

2. Chemical inertness: Does not react with molten materials, ensuring material purity.

3. Thermal shock resistance: Can withstand drastic temperature fluctuations without cracking.

4. Low outgassing: Releases minimal gas in a vacuum environment.

5. High wear resistance: Resists erosion from molten metals and mechanical damage.

Application Areas

Semiconductor industry: Used in crystal growth and single-crystal silicon melting.

Metallurgical industry: High-temperature melting and metal purification.

Chemical industry: High-temperature reactions and handling of corrosive media.

Laboratory research: High-temperature experiments and material sintering.

Supports custom specifications.