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Graphite Filled PTFE Gasket: Produced by molding and mechanical processing of suspension PTFE resin. We can fill different materials according to requirements, such as carbon powder, glass fiber, graphite, copper powder, etc.
| Filled Material | Enhanced Properties |
|---|---|
| Glass Fiber | Increases compressible strength, rigidity, and wear. Reduces creep and cold flow. |
| Carbon | Increases hardness, wear, and load properties. Good chemical resistance. |
| Graphite | Reduces coefficient of friction and initial wear. Increases strength. |
| Molybdenum Disulfide | Increases hardness, stiffness, and wear resistance. |
| Bronze | Increases dimensional stability and compressive strength. Not for corrosive/electrical apps. |
| Item | Pure PTFE | 60% Bronze | 20% Glass Fiber | 20% Carbon Fiber | Unit |
|---|---|---|---|---|---|
| Density | 2.18 | 3.9 | 2.26 | 2.01 | g/m³ |
| Tensile Strength | 276 | 127 | 175 | 189 | MPa |
| Elongation at break | 238 | 101 | 207 | 92 | % |
| Rockwell Hardness | 3.2 | 33.8 | 6.4 | 32.1 | - |
| Friction coefficient | 0.13 | 0.18-0.2 | 0.2-0.24 | 0.16-0.18 | - |


Established in 1985, our group is a leading manufacturer of fluoroplastic products, chemical semiconductor linings, and new energy sealing gaskets. We specialize in the research and production of PTFE series sealing products for hydrogen energy, nuclear power, and semiconductor applications. With over 35 years of experience, we supply more than 300 varieties of PTFE composite modified materials to customers in over 30 countries.





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