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Description
Description
FEP (fluorinated ethylene propylene) is a tough, flexible copolymer of tetrafluoroethylene and hexafluoropropylene, often used for flexible tubing when chemical resistance, high purity, and low stiffness are required. FEP has very similar properties to PTFE but has a lower maximum working temperature of 205°C. Additionally, while PTFE is not melt-processable and difficult to process, FEP can be processed using normal plastic methods.
Other properties of FEP include a minimum working temperature of -200°C, a low friction surface, very high resistance to chemicals and solvents, very high electrical resistance, and resistance to UV radiation. FEP tubing is ideal for the transfer of extreme temperature or highly corrosive materials, making it suitable for demanding lab, chemical, electrical, mechanical, pharmaceutical, and automotive applications.
Technical Specifications
| Specification | Measurement |
|---|---|
| Material | FEP |
| Shape | Tubing |
| Colour | Clear |
| Density (g/cm³) | 2.12-2.17 |
| Water absorption (%) | 0.01 |
| Yield stress (MPa) | 12 |
| Elongation at break (%) | 250-350 |
| Shore hardness (scale D) | 55-60 |
| Tensile modulus of elasticity (MPa) | 600-800 |
| Melting temperature (°C) | 253-282 |
| Thermal conductivity (W/(m*K) | 0.2 |
| Service temp long term max (°C) | 205 |
| Service temp long term min (°C) | -200 |
Applications
- Chemical processing
- Pharmaceutical applications
- Automotive systems
- Electrical insulation
- Mechanical applications
- Laboratory environments
FAQs
-
What is the maximum service temperature of FEP tubing?
The maximum service temperature of FEP tubing is 205°C. -
Is FEP tubing suitable for high purity applications?
Yes, FEP tubing is suitable for applications that require high purity and chemical resistance. -
Can FEP tubing be used for extreme temperature applications?
Yes, it can operate in temperatures ranging from -200°C to 205°C.