Carbon Filled PTFE Rod is a reinforced engineering polymer offering improved wear resistance, dimensional stability, and compressive strength compared to virgin PTFE. It is widely used for bushings, bearings, CNC-machined parts, and mechanical components operating under continuous load and friction.
Carbon Filled PTFE Rod
Carbon Filled PTFE Rod is a reinforced PTFE grade engineered to deliver higher wear resistance,
improved dimensional stability, and better load performance than virgin PTFE. It is widely used for
CNC-machined parts, bushings, bearings, rings and
industrial wear components operating under continuous friction and mechanical stress.
What is Carbon Filled PTFE?
Carbon Filled PTFE is produced by combining PTFE with a controlled percentage of carbon filler.
This modification reduces cold flow and creep, increases compressive strength, and improves wear behavior—making it
a practical choice when virgin PTFE is too soft for the application.
Key Engineering Advantages
- High wear resistance: suitable for sliding and rotating contact surfaces.
- Improved dimensional stability: lower deformation under load and temperature changes.
- Better creep resistance: reduced cold flow for longer service life.
- Enhanced load capability: stronger performance vs. virgin PTFE in mechanical parts.
- Wide temperature range: typically usable from -200°C to +250°C (grade-dependent).
- Good chemical resistance: compatible with many industrial fluids (selection depends on media).
- Low friction: supports smooth motion in wear parts and guiding elements.
Typical Applications
- Bushings & bearings for continuous motion systems
- CNC-machined wear parts, guides and sliding elements
- Rings, back-up rings and mechanical sealing components
- Process equipment parts in chemical and industrial lines
- Oil & gas and power industries where load + wear are critical
Technical Overview
| Property | Typical Range |
|---|---|
| Carbon Content | Typically 5%–25% (grade-dependent) |
| Service Temperature | -200°C to +250°C (application-dependent) |
| Wear Resistance | High |
| Dimensional Stability | Improved vs. virgin PTFE |
| Friction | Low |
| Machinability | Excellent for CNC turning and milling |
FAQ
1) How does Carbon Filled PTFE compare to Virgin PTFE?
Carbon Filled PTFE offers better wear resistance, higher compressive strength, and improved dimensional stability,
while virgin PTFE provides the highest chemical inertness and purity.
2) Is Carbon Filled PTFE Rod suitable for CNC machining?
Yes. It is commonly used for CNC-machined components that require stable dimensions, reduced creep and longer wear life.
3) Can Carbon Filled PTFE be used in chemical environments?
It generally maintains good chemical resistance for many industrial fluids; however, final selection should consider
the exact media, temperature, and pressure conditions.
For correct grade selection of Carbon Filled PTFE Rod based on load, motion type, temperature and media,
contact our technical team for specification support.