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Silicon carbide (SiC) bricks are a type of refractory brick made from silicon carbide, a compound of silicon and carbon. These bricks are known for their excellent thermal and chemical resistance, making them suitable for various high-temperature applications. Here's what you need to know about silicon carbide bricks:

  • Composition: Silicon carbide bricks are primarily composed of silicon carbide grains and a bonding agent. The bonding agent can be either clay or silicon nitride, depending on the specific requirements of the application.

  • High-temperature resistance: Silicon carbide bricks have exceptional high-temperature resistance. They can withstand temperatures up to 1650°C (3002°F) and maintain their mechanical strength and dimensional stability at extreme temperatures.

  • Excellent thermal conductivity: Silicon carbide is known for its high thermal conductivity, which allows for efficient heat transfer. This property makes silicon carbide bricks suitable for applications where heat needs to be conducted away rapidly.

  • Low thermal expansion: Silicon carbide bricks have a low coefficient of thermal expansion, meaning they do not significantly expand or contract with changes in temperature. This property helps to reduce the risk of thermal stress and cracking.

  • High mechanical strength: Silicon carbide bricks possess high mechanical strength and can withstand the mechanical stress and load encountered in high-temperature environments. They exhibit good resistance to deformation and can support heavy loads.

  • Chemical resistance: Silicon carbide is highly resistant to chemical attack, making silicon carbide bricks suitable for applications where corrosive substances are present. They have excellent resistance to acids, alkalis, and molten metals.

  • Abrasion resistance: Silicon carbide bricks are known for their excellent abrasion resistance. They can withstand erosive conditions, making them suitable for applications involving abrasive materials or high-velocity gas flows.

  • Application versatility: Silicon carbide bricks find applications in a wide range of industries, including metallurgy, ceramics, chemical processing, and power generation. They are used in furnaces, kilns, incinerators, and other high-temperature equipment where thermal and chemical resistance are critical.

Silicon carbide bricks are valued for their outstanding thermal and chemical resistance, high mechanical strength, low thermal expansion, and abrasion resistance. They are preferred in demanding industrial applications that require reliable refractory materials capable of withstanding extreme temperatures and aggressive environments.

 

Buy low price high quality SiC Bricks have excellent oxidation resistance, thermal shock stability, compact structure, high temperature volume stability, high temperature flexural strength of higher benefits.

 

ProjectUnitMGM-SSiCMGM-RBSiC
Volume Densityg/cm³3.10-3.153.03-3.08
HardnessHRA≥92≥90
Compressive StrengthMpa≥2200≥2000
Flexural StrengthMpa≥400≥350
Silicon Carbide Content%≥98---------
Moudulus of ElasticityGpa400≥360
Thermal ConductivityW/m.K100-12050-100

 

SILICON CARBIDE BRICKS

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