Sintered Silicon Carbide
Description
Technical Parameters
Sintered silicon carbide

Sintered silicon carbide also named Pressureless sintered silicon carbide(SSIC) is a kind of material that is sintered from highly purified submicron silicon carbide powder between 2100 ℃ to 2200 ℃ . SSIC is a good material for making mechanical seals, automotive components, armors, heat ex-change tubes, blast nozzles, wear parts, wafer carriers, etc.
It is composed of fine grains formed by highly pure silicon carbide, therefore it has high hardness, strength and excellent wear resistance. SSIC is known as the best corrosion resistant material among all industrial ceramics. More advantages include low density(40% of steel), low coefficient of thermal expansion, high thermal conductivity and high thermal shock resistance. These properties allow SSIC to be used for a long time in an oxidizing atmosphere at 1650 ℃ . SSIC is a good material for making mechanical seals, automotive components, armors, heat ex-change tubes, blast nozzles, wear parts, wafer carriers, etc.
Parameter of SSIC
Property | Unit | Data |
Volume density | g/cm3 | ≥3.15 |
Indicated porosity | % | <0.2 |
Hardness | HRA | 92-94 |
Bending strength | MPa | >400 |
Compressive strength | MPa | ≥2200 |
Elastic modulus | GPa | 400 |
Thermal conductivity | W/(M·K) | 120-150 |
Purity | % | ≥99 |
Coefficient of heat expansion | 1·10-6M/K | 4.0 |
Maximum temperature | ℃ | 1650 |
Resistivity | Ω·cm | 5x106 |
Key application
· Mechanical seal rings
· Pump shaft, body, impeller, sliding bearing and sleeves
· Semiconductor, LED equipment parts
· Crucible and sagger for metal melting
· Bulletproof armor
· Sandblaster parts and ball mill grinding media
· Hydro-cyclone spigot, valve and spool
· Piston and cylinder liner
· Customized wear & corrosion resistant parts
We can customize products of different shapes based on different drawings and working conditions. The diameters and thicknesses are available upon request. The maximum available outside diameter is 500mm. The maximum available height is 800mm.
Products show
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FAQ
· What’s the different with RBSIC?
SSIC liner use life is longer than RBISC, no matter the hardness, strength and wear resistance are better than RBSIC.
· Is the SSIC can be used for cyclones, pipes?
Yes, it is good materials for cyclones, pipes.
· Can you make it according the drawings?
Yes, we can.
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