PTFE In CNC Machining
PTFE (Polytetrafluoroethylene) is an engineering thermoplastic renowned for its superior chemical and thermal resistance. It also boasts the lowest coefficient of friction of any known solid, making it ideal for applications requiring smooth, low-friction performance.
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Description & Characteristics
| Price | $ $ $ $ $ |
| Lead Time | < 10 days |
| Wall Thickness | 0.75 mm |
| Tolerances | ±0.125mm (±0.005″) |
| Max Part Size | 200 x 80 x 100 cm |
| Applications | PTFE is a high-performance thermoplastic that excels in resisting both chemicals and heat. With the lowest friction coefficient of any solid material, it is perfect for applications that demand minimal wear and smooth operation under harsh conditions. |
| Strengths | Exceptional mechanical properties, high precision, and repeatability. |
| Weaknesses | More limitations in geometry compared to 3D printing |
Mechanical & Physical Properties
| Ultimate tensile strength | Yield strength | Young's modulus (modulus of elasticity) |
Elongation at break
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Hardness
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UV resistance
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|---|---|---|---|---|---|
| 25-31 MPa | 14-41.4 MPa |
0.39-2.25 GPa | 300-450% |
50-65 Shore D |
Good |
Thermal & Electrical Properties
| Maximum service temperature | Thermal expansion coefficient | Thermal conductivity |
ESD Safety
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|---|---|---|---|
| 250-270 °C |
7-20 10^-6/ºC
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0.23-0.5 W/(m⋅°C)
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No |