Silicon Carbide (SiC) Gasket
Silicon carbide (SiC) is a lightweight ceramic material with high strength properties comparable to diamond. It has excellent thermal conductivity, low thermal expansion, and is resistant to acid corrosion. Silicon carbide is an excellent ceramic material suitable for applications requiring good corrosion resistance and wear resistance.
Our silicon carbide gasket is useful in a variety of applications including spray nozzles, shot blast nozzles and cyclone components.
Silicon Carbide Gasket Properties
| Compound Formula | SiC |
| Molecular Weight | 40.1 |
| Appearance | Black |
| Melting Point | 2,730° C (4,946° F) (decomposes) |
| Density | 3.0 to 3.2 g/cm3 |
| Electrical Resistivity | 1 to 4 10x Ω-m |
| Poisson’s Ratio | 0.15 to 0.21 |
| Specific Heat | 670 to 1180 J/kg-K |
Silicon Carbide Gasket Specifications
| Performance | UNIT | HS-A | HS-P | HS-XA |
| Grain Size | μm | 4-10 | 4-10 | 4-10 |
| Density | g/cm | ≥3.1 | 3.0-3.1 | >3.1 |
| Hardness (Knoop) | Kg/mm² | 2800 | 2800 | 2800 |
| Flexural Strength 4 pt @ RT | MPa*m1/2 | 385 | 240 | 420 |
| *10³1b/in² | 55 | 55 | 55 |
| Compressive Strength @ RT | Mpa | 3900 | | 3900 |
| *10³1b/in² | 560 | 560 |
| Modulus of Elasticity @ RT | Gpa | 410 | 400 | 410 |
| *10³1b/in² | 59 | 58 | 59 |
| Weibull Modulus (2 parameter) | | 8 | 19 | 12 |
| Poisson Ratio | | 0.14 | 0.14 | 0.14 |
| Fracture Toughness @ RT Double Torsion & SENB | MPa*m1/2 | 8 | 8 | 8 |
| *1³1b/in²in½ |
| Coefficient of Thermal Expansion RT to 700℃ | X10-6mm/mmK | 4.02 | 4.2 | 4.02 |
| X10-6 in/in°F | 2.2 | 2.3 | 2.2 |
| Maximum Service Temp.Air Mean Specific Heat @ RT | °C | 1900 | 1900 | 1900 |
| J/gmK | 0.67 | 0.59 | 0.67 |
| Thermal Conductivity @ RT | W/mK | 125.6 | 110 | 125.6 |
| Btu/ft h°F | 72.6 | 64 | 72.6 |
| @200°C | W/mK | 102.6 | | 102.6 |
| Btu/ft h°F | 59.3 | 59.3 |
| @400°C | W/mK | 77.5 | | 77.5 |
| Btu/ft h°F | 44.8 | 44.8 |
| Permeability @ RT to 1000°C | 31MPa below No gas leakage |
| Electrical Resistivity @ RT | Ohm-cm | 102-106 | N/A | 102-106 |
| Emissivity | | 0.9 | 0.9 | 0.9 |
Silicon Carbide Gasket Applications
-Silicon carbide can be applied in areas such as semiconductor and coating.
-Silicon carbide is an ideal material for pump gaskets.
Packing of Silicon Carbide
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.
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LIGHTWEIGHT PUMP SILICON CARBIDE GASKET RING IN AUTOMOBILE INDUSTRY Images
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