PTFE CNC Machining
PTFE, or Teflon, offers excellent chemical resistance and unmatched coefficient of friction
What is PTFE?
Polytetrafluoroethylene (PTFE), commonly known by its trade name Teflon, is a versatile and highly desirable material for CNC machining due to its unique properties. It is a type of fluoropolymer and is best known for its non-stick and low-friction properties. This makes it an excellent choice for applications that require a low coefficient of friction, such as bearings, bushings, and seals. PTFE also has excellent chemical resistance, making it ideal for use in harsh environments.
Additionally, PTFE has a wide temperature range, from -200°C to +260°C, which makes it suitable for applications that require extreme temperature resistance. Its electrical insulation properties are also noteworthy, making it useful in electrical components and insulation.
Key Benefits
- Low friction and wear resistance
- Highly machinable
- Chemical and temperature resistance
- Electrical insulation
Applications for CNC Machining PTFE
PTFE parts exhibit low coefficient of friction and chemical resistance. It's often used for industrial and electrical applications.
- Bearings and bushings
- Electrical housings
- Hinges
- Food processing equipment
- Lab instrumentation
PTFE Material Properties
| Tensile Strength | Flexural Modulus | Tensile Elongation | Coefficient of Friction | Melting Point | Upper Service Temperature | |
|---|---|---|---|---|---|---|
| Test Method | ASTM D638 | ASTM D790 | ASTM D638 | ASTM D1894 | ASTM D3418 | UL746B |
| Teflon PTFE | 3,000 - 5,000 psi | 72,000 psi | 300 - 500% | 0.1 <10 ft./min | 621°F | 500°F |
Download the data sheet for more information.
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