Graphite Solutions for Tomorrow's Innovations
Graphite sealing ring is a component used for mechanical seals. Its high strength, low friction, high temperature and high pressure resistance and self-lubrication make it an ideal choice for dynamic and static sealing ring materials. It is made from high purity graphite or impregnated resin/metal graphite to achieve superior performance.
Graphite sealing rings are divided into static and dynamic sealing rings, with static sealing rings installed on fixed components and dynamic sealing rings installed on rotating shafts. These sealing rings are usually used in applications such as pumps, compressors, and turbines to form a sealing interface that prevents liquid or gas leakage. Therefore, it puts high requirements on the performance of sealing rings, including strength, hardness, porosity, lubrication, and heat resistance.
| Grade | Density (g/cc) | Porosity | Shore Hardness | Compressive Strength (Mpa) | Flexural Strength (Mpa) | CTE (×10-6°C-1) | Max Working Temperature | Application |
|---|---|---|---|---|---|---|---|---|
| M105K(Resin Impregnation Vanes) | 1.8 | 2% | 60 | 110 | 65 | – | 200 °C | Carbon vanes |
| M106K(Resin Impregnation) | 1.8 | 2% | 65 | 180 | 60 | 4 | 200 °C | Seal rings, bush |
| M106D(Antimony Impregnation) | 2.3 | 3% | 80 | 230 | 80 | 4 | 550 °C | Seal rings, bush |
| M254A(Copper Impregnation) | 2.4 | 2.5% | 70 | 170 | 65 | – | 500 °C | Seal rings, bush |
Notes:
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