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    1. Home
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    3. CHEMFILM High Performance Films
    4. ETFE Films
    5. ETFE-E4 and LM Low Melting

    ETFE-E4 and LM Low Melting

    CHEMFILM ETFE-E4 and LM Low Melting
    ETFE-E4 and LM fluoropolymer films are manufactured from specialty grades of of ethylene and tetrafluoroethylene copolymers. These grades are designed to be highly extensible and formable at all manufacturing temperatures when compared to ETFE-E2 film.
     
    ETFE-E4
    ETFE-E4 film covers the same operating temperature, -200°C (-328°F) to 165°C (330°F), as ETFE-E2 film. Its elongation characteristics are superior throughout this temperature range, which makes it an ideal candidate for thermoforming to more complex shapes without sacrificing other mechanical and thermal performance characteristics.
     
    ETFE-LM
    ETFE-LM film is formulated from a low melting specialty ETFE resin. This allows ETFE-LM to achieve the highest elongation characteristics and lowest force requirements when thermoformed up to 125°C (257°F). ETFE-LM is the perfect choice for deep draws up to and greater than 10:1 ratios, such as complex medical container laminates and liners.

     

     

    Datasheet

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    • Features and Benefits
    • Typical Properties
    • Applications
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    ETFE-E4  
    Features Benefits
    Thermally stable thermoplastic with high elongation Thermoformable to shapes of high complexity
    Functional temperature range from -200°C (-328°F) to 165°C (330°F) Suitable for Cryogenic and High temperature Applications
    Low Surface Energy Low force sliding characteristics against most common vessel materials
    Chemically Inert Will not contaminate or react with many drugs and samples
    Pinhole Free Provides a suitable barrier to prevent container contamination
    Available with C-Treatment Provides Cementable surface on one or both sides of the film
    ETFE-LM  
    Thermally stable thermoplastic with highest elongation Thermoformable to shapes of extreme complexity
    Functional temperature range from -200°C (-328°F) to 125°C (257°F) Suitable for Cryogenic and High temperature Applications
    Low Surface Energy Low force sliding characteristics against most common vessel materials
    Chemically Inert Will not contaminate or react with many drugs and samples
    Pinhole Free Provides a suitable barrier to prevent container contamination
    Available with C-Treatment Provides Cementable surface on one or both sides of the film

     

    CHEMFILM® ETFE-E4 Fluoropolymer Film- Typical Physical Properties*

    Typical Properties Test Method CHEMFILM® E4 Unit of Measurement 
    General Properties
    Specific Gravity ASTM D-792 1.75-1.79  
    Yield (1 mil film)   22.5 (110) M2/kg (ft2/15)
    Contact Angle ASTM D-5946 96 %
    Mechanical Properties
    Tensile Strength  (RT) ASTM D-882 51 (7400) MPa (psi)
    Elongation  (RT) ASTM D-882 400 %
    Elastic Modulus (RT) ASTM D-882 860 (125,000) MPa (psi)
    Tensile Strength (150C) ASTM D-882 15 (2175) MPa (psi)
    Elongation (150C) ASTM D-882 600 %
    Elastic Modulus (150C) ASTM D-882 30-50 (4350-7250) MPa(psi)
    Heat shrinkage (MD) 177 °C @30 MINUTES +/-3 MAX. %
    Heat Shrinkage (TD) 177 °C @30 MINUTES +/-3 MAX. %
    Electrical Properties
    Dielectric Strength (2 mil) ASTM D-149 175 (4500) KV/MM (V/mil)
    Volume Specific Resistance ASTM D-257 >1x1017 cm
    Thermal Properties
    Melting point DSC 249-259 (480-495) °C (°F)
    Oxygen Index ASTM D-2863 35 Vol%

    *Represent typical performance properties and should not be used for specification purposes. Contact your Saint-Gobain Performance Plastics representative for more information.

     

     

     

    Semiconductor EncapsulationSemiconductor Encapsulation
    Cap Liner, Stopper and Plunger Laminates
    Drug Containment
     

     

    • CHEMFILM ETFE-E4 and LM datasheet
    • CHEMFILM ETFE safety datasheet
    • CHEMFILM Brochure
    • CHEMFILM Textured ETFE datasheet

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