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Heat Shrink Tube

FEP Heat Shrink Tube

Product Description: FEP heat shrink tubing is a high-performance heat shrink material made of fluorinated ethylene propylene (FEP). It has good physical and chemical properties and is widely used in many fields. For example, it is used for coating braided tubes or reinforced tubes. It can conduct heat and shrink the inner layer.

Advantages:

  • Good lubricity;
  • Good biocompatibility;
  • Good dielectric insulation;
  • Good chemical resistance;
  • Good weather resistance;
  • Operating temperature range: -40℃ to 200℃;
  • Shrinkage temperature: 130℃ to 200℃.

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  • FEP Heat Shrink Tube

    FEP Heat Shrink Features

     Features Good Surface Lubricity
    Good biocompatibility
    Excellent dielectric insulation
    Excellent chemical resistance
    Excellent weathering resistance
     Capabilities Shrink Ratios: 1.3/1.9 times
    Maximum Recovery ID: 0.7mm - 12.7mm
    Recovered Wall Thickness: 0.10 mm- 0.45 mm
    Custom Heat Shrink Sizes
    Recovery Temp: 170℃~260℃
     Sterilization EtO
     Enhancements Etching

    FEP Heat Shrink Tube General

     Chemical/Solvent Resistance

    Excellent chemical and solvent resistance for use in extreme chemical environments

     Density

    2.15g/cm³

     Water Absorption

    0.01%

     Refractive Index

    Refractive index stabilized at 1.34-1.35 in the visible wavelength band (400-700nm)

     Standard Percent Crystallinity

    40%-60%

    FEP Heat Shrink Tube Mechanical
     Specific Gravity 2.12 - 2.17
     Elongation 300% - 1200%
     Tensile Strength ≥ 18MPa
     Young's Modulus 0.44-0.64 GPa
     Flexural Modulus 580 MPa
     Hardness Durometer 55D
     Coefficient of Friction 0.05

    FEP Heat Shrink Tubing Thermal
     Melting Point 265±15℃
     Glass Transition Temperature 80°C ±5°C
     Upper Service Temperature 200℃
     Thermal Conductivity 0.19-0.25 W/(m·K)​​
     Linear Coefficient of Thermal Expansion 8.3-10.5×10⁻⁵/℃

    FEP Heat Shrink Tubing Electrical
     Dielectric Constant 60Hz2.0-2.1
     Dielectric Strength 2000 V/Mil
     Volume Resistivity >1018 Ω/cm
     Surface Resistivity 1017 Ω/sq
  • It is commonly used for braided or reinforced tubes, involves bonding the outer plastic layer with the reinforcement layer and the PTFE inner lining into a composite tube through heat melting and shrinkage. This method is also applicable for catheter shafts, adhesive joints, laparoscope insulation, and battery pack encapsulation, providing insulation protection and contamination prevention functions.

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