FEP heat shrink tubing is a kind of polyperchloroethylene propylene medical heat shrink tube, which has excellent electrical insulation performance, high temperature resistance, solvent resistance and lubrication. It still has excellent shrinkage at high temperature, and the surface is bright and no defects after shrinkage. It is an ideal auxiliary material for all kinds of irregular catheter rhein the medical industry.
Specifications and colors can be customized according to customer requirements, and the factory source checks
Product features
- Iinsulativity
- Shrink ratio: 1.3:1 1.6:1
- Chemical resistance and inert
- Low friction coefficient
- Shrink temperature: 150~230 c
- Using temperature-200~200 c
What are the characteristics and advantages of PTFE, FEP and PFA heat shrink tubes
In the medical field, heat shrink tubes, as a key insulating protection material, play an important role in medical devices, device connections and biomedical applications. Among them, PTFE (polytetrafluoroethylene), FEP (fluorinated ethylene propylene copolymer) and PFA (perfluoroalkoxy resin) three materials of heat shrink tubes have their own unique performance advantages, suitable for different medical scenarios.
1.PTFE heat shrink tube features and advantages:
● High temperature resistance, up to 260°C operating temperature.
Excellent chemical inertia and biocompatibility, almost no reaction with all chemicals, no irritation to human tissue.
● Ultra-low friction coefficient, smooth inner wall, is conducive to reducing the resistance of blood or body fluid flow.
● High electrical insulation strength, suitable for medical equipment internal cable packaging that requires high insulation protection level.
2.FEP Heat shrink tube features and advantages:
● High operating temperature range, although slightly lower than PTFE, it can still maintain stable performance in an environment of up to 200°C.
● Excellent transparency, so that FEP heat shrink tube is often used as a visual catheter or need to observe the internal situation.
● Excellent flexibility and low temperature brittleness resistance, easy to install and handle, and can be used in low temperature environment without brittle fracture.
● Very good chemical corrosion resistance and biocompatibility, suitable for cleanliness and corrosion resistance have strict requirements of the medical environment.
3.PFA Heat Shrink tube features and benefits:
Similar to PTFE, PFA heat shrink tubes also have extremely high heat and cold resistance, and can operate in a wide temperature range from -80°C to +260°C.
● Stronger melting fluidity allows products made of PFA to maintain higher transparency and flatness after forming, which is ideal for medical parts that require refinement and aesthetics.
● Also has excellent chemical stability, and PFA material heat shrink tube also has good biological compatibility.
● Non-stick characteristics make it in long-term contact with liquid or semi-solid substances will not produce accumulation, easy to clean, suitable for the disinfection and sterilization process of medical devices.
In summary, medical PFTE, FEP and PFA heat shrink tubes, with their respective advantages, are widely used in various medical device cable insulation protection, catheter outer coating, sensor packaging, surgical instrument handle coating and other fields, not only to provide physical protection, but also to ensure electrical isolation and biological security, so as to ensure patient safety and long-term stable operation of medical equipment.
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