FEP Heat Shrink Tube
The FEP Heat Shrink Tube boasts a composition rooted in fluorinated ethylene propylene (FEP), a thermoplastic polymer renowned for its exceptional properties in medical applications.
FEP exhibits a unique combination of characteristics that make it ideally suited for medical tubing. Its molecular structure imparts remarkable clarity to the tubing, allowing for optimal visualization of fluids and instruments during medical procedures, essential for accurate monitoring and precise manipulation.
Features
- Lower heat shrink temperature:FEP heat shrink tubing has a lower heat shrink temperature than other fluorinated heat shrink tubing, such as PTFE, PFA
- It has better flexibility, light transmittance and high lubricity than PFA.
- The recommended shrinking temperature is 80℃-240℃. The shrinking temperature and shrinking time vary depending on the design.
- Demaxcan provide FEP heat shrink tubing with shrinkage ratios of 1.3:1, 1.6:1 and 1.8:1.
Applications
Welding of Guiding Catheter, Angiography Catheter, Micro Catheter, Guiding Sheath, Distal Access Catheter: laser welding, hot air welding, heat fusion welding, etc.Technical Parameters
- Minimum Inner Diameter Before Shrinkage：79-4.78（mm）
- Maximum Inner Diameter Before Shrinkage：69-2.92(mm)
- Tube Wall Thickness After Shrinkage：2±0.05,0.23±0.05，0.25±0.08, 0.28±0.1(mm)
- Shrink Temperature 200-230℃
- Shrink Ratios 3:1，1.6:1, 1.8:1
- Concentricity ≥90%
- Biocompatibility Conforms to ISO10993
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Guiding catheters are typically composed of biocompatible materials such as polyurethane or nylon, chosen for their flexibility, durability, and compatibility with bodily tissues. The catheter shaft is reinforced with braided or coiled wires to provide structural support and torqueability while maintaining flexibility for navigation through tortuous vascular anatomy. Soft, atraumatic tips minimize trauma to blood vessels during insertion and positioning. Radiopaque markers or bands incorporated into the catheter shaft enhance visibility under fluoroscopy or other imaging modalities, allowing for precise navigation and positioning during procedures. Demax’s guiding catheters are engineered with advanced materials and design features to optimize performance and safety, ensuring successful outcomes in a wide range of interventional procedures.
