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  5. Silicon Carbide Gasket Silicon Carbide Gasket
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  7. Applications Applications

Silicon Carbide Gasket

SiC Ceramic Gasket

Reaction-bonded Silicon carbide has the advantages of wear resistance, high-temperature resistance, good self-lubrication, high mechanical strength, strong chemical corrosion resistance, and high PV value. It can be used in high-temperature environments up to 1350°C. It is a commonly used friction material in the mechanical sealing industry and is widely used in petroleum, chemical, automotive, pumps, and valves. Edgetech provides customized specifications for Silicon Carbide Gasket.

Pressureless sintered silicon carbide has high thermal conductivity and excellent thermal shock stability, compared with reaction-bonded silicon carbide, it has better wear resistance, high-temperature resistance, and chemical corrosion resistance, especially used in high-demand food, pharmaceutical, and other industries.

Silicon Carbide Ceramic Properties

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 Type Pressureless sintered SiC Reaction Bonded SiC Recrystallized SiC
Bulk Density (g/cm3) 3.1 3.03 2.5
Appearance Porosity <0.2% <0.1% <11%
Hardness HRA 92 90 110
Flexural strength (MPa) 400 350 90-100
Compressive strength (MPa) 2200 2000 >600
Elasticity Modulus (GPa) 410 360 240
Thermal expansion (10^-6/C) 4 4.5 4.7
Thermal conductivity (W/(m·K)) 100-120 50-100 24
Max. Working Temp. (℃) 1600 1380 1650
Main characteristics Fracture Toughness Chemical Resistance High temp. High resistance.
High purity

Applications of Silicon Carbide Gasket

-Semiconductor process tools and fixture
-Mechanical seals
-Various wear parts
-Various corrosion-resistant parts
– Water pump seals

Packing of SiC Ceramics

Our Silicon Carbide Gasket is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

Edgetech Industries LLC7938 Liberty Way, Parkland, FL 33067 USAsales@edge-techind.com