| Glass Fiber |
15%、20%、25% |
1.Improve the wear-resistance of pure PTFE and increase lower friction coefficient for lower PTFE.
2.Increase compressive strength, wear-resistance, and low gas permeability according to additives ratio. |
Applicable for strong acidic/ basic environment by enhancing seal pressure and wear-resistance. Examples include a mechanical shaft, ball valve sealing gasket, bearing washer, and bushing. |
| Carbon |
25% |
1.Increase chemical property.
2.Improve the PTFE expansion coefficient.
3.Provide better thermal conductivity, high friction, and resistance against greater pressure for PTFE. |
Utilized in specific conditions that require high temperature and loading, which prevent PTFE cracking under pressure and temperature. Examples include application on piston ring, dynamic seal, and dry-style pneumatic equipment. |
| Graphite |
15% |
1.Provides optimal thermal and electric conductivity for PTFE.
2.Reduce friction coefficient on PTFE further, as well as lowering permeability and improving the coefficient in thermal expansion.
3.Better drug resistance than bronze additives. |
Applicable as a lubricant in gaseous seal or used for electro-static resistant lining and bearing accessories. |
| Bronze |
40%、60% |
1.High hardness.
2.Extremely well compressive strength and wear-resistance, but vulnerable to plastic deformation.
3.Better thermal conductivity due to the metal property, but poorer drug and chemical resistance. |
Applicable for objects requiring operation under high stress, e.g. bridge supports. The element is also applicable for bearing accessories. |
| MoS2 |
5% |
1.Enhance the electrical property of PTFE, effectively increase the hardness and lubrication to reduce friction.
2.Generally, other additives (commonly as glass fiber) will be added to PTFE for increasing the wear-resistance, tensile strength, and elongation. |
The element is often applied in part with well self-lubrication. |
| PI |
15% |
1.Low friction coefficient, wear-resistance.
2.Resistant to chemical corrosion.
3.Greater tensile strength.
4.High thermal stability. |
The workability from combining low wearing rate and zero lubrication makes the material most suitable for friction and wear-resistant environment, where useful life is extended. The element is often applied to bearings and seal rings. |
| Stainless steel |
50% |
1.In addition to the high compressive strength of PTFE, the properties of stainless steel allow greater thermal conductivity.
2.Excellent strength and stability under extreme loading and high temperature, which still maintains the low friction coefficient of PTFE.
3.Lower plastic deformation comparing to bronze additives. |
The element can be used for seals or hot steam ball valve seats at a lower speed or stationary state. Not recommended for areas reflected with radiation. |
| PEEK |
20% |
1.Increase of hardness and high compressive strength.
2.For high temperatures in particular, the element can reduce instability of PTFE sizes when experiencing great temperature differences. |
Applicable for seals under high pressure, great temperature difference, and high-speed rotation. |
| TFM |
100% |
1.Greater strength and better wear resistance comparing to general PTFE.
2.Preserving chemical and electrical characteristics of general PTFE at the same time. |
The TFM 4215 (raw material number under Dyneon™) is the TFM material added with carbon. |
| ETFE |
100% |
1.The element contains the best mechanical strength and radiation resistance among Florine resins.
2.Identical characteristics of heat tolerance, chemical resistance, and electrical properties with other Florine resins.
3.Well impact resistance.
4.Excellent crack resistance under high pressure. |
which is a tough material that still contains high impact resistance and mechanical characteristics under a temperature of approximately 177℃. The chemical resistance, electrical properties, and weather resistance are close to fully fluorinated polymers.
The application scope covers pump parts and chemical treating equipment. |