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    3. CHEMFILM High Performance Films
    4. ETFE Films
    5. ETFE-RF Release Film

    ETFE-RF Release Film

    CHEMFILM ETFE-RF Release Film
    ETFE type RF, release grade, is a clear or pigmented film manufactured from a copolymer of ethylene and tetrafluoroethylene resin. This material combines the outstanding chemical and thermal flexibility of fluoropolymer with the improved mechanical performance of advanced engineering grade plastics. The resistance to chemicals, excellent stress crack resistance and good thermal performance means this film provides an excellent release surface in most applications. The low-gel surface of the film produces a smooth part finish on molded components. Perforated film is available to control out gassing and resin bleed. Pigmented film aids in identification on the shop floor and increases visibility of the film to prevent foreign object contamination (FOD) when removing the film from the parts and the mold. Customer colors are available on request and can help set your product apart from others. ETFE-RF is suitable for most release film applications such as composite molding, compression and thermal lamination and protective liners for adhesive coated products.

     

     

    Datasheet

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    • Features and Benefits
    • Typical Properties
    • Applications
    • Related Documents
    Features Benefits
    Very low surface energy Easy de-molding, prevent damage and contamination of parts and the mold
    Molding temperature range up to 165°C (330°F) Suitable for moderate temperature resin systems
    Chemically inert Exceptional chemical resistance in aggressive environments
    Available with pigment For easy identification, customized products
    Available with C-Treatment Allows the film to be sealed easily to itself and other surfaces
    Typical Properties Test Method Value Units
    General
    Specific Gravity ASTM D-792 1.70-1.76  
    Yield (1 mil)   22.5 (110) m2/kg (ft2/lb)
    Water Absorption, 24 hr.   <0.03 %
    Mechanical
    Tensile Strength @ Break (RT) ASTM D-882 48 (7,000) MPa (psi)
    Elongation @ Break (RT) ASTM D-882 400 %
    Tensile Modulus (RT) ASTM D-882 1100 (160,000) MPa (psi)
    Propagation Tear Strength, 1 mil ASTM D-1922 >2.9 (0.65) N(lbf)
    Electrical
    Dielectric Strength, 1 mil ASTM D-149 215 (5,500) kV/mm (V/mil)
    Dielectric Constant, 1 kHz ASTM D-150 2.6  
    Dissipation Factor, 1 kHz ASTM D-150 <0.0008  
    Thermal
     Flammability UL 94 V-0  
    Melt Point ASTM D-3418 250-270 (482-518) C (F)
    Continuous Service Temperature   165 (330) C (F)
    Specific Heat   2000 (0.46) J/(kg· oK)     (BTU/(lb·oF))
    Coefficient of Thermal Conductivity   0.238 (1.65) W/(m· oK)     BTU·in/(hr·ft2·oF)
    Limiting Oxygen Index ASTM D-2863 31 %
     

     

    Composite MoldingComposite Molding
    Wind Turbine ManufacturingWind Turbine Manufacturing

     

     

    • CHEMFILM ETFE safety datasheet
    • CHEMFILM Textured ETFE datasheet
    • CHEMFILM Brochure
    • Products for Composite Molding Processes Brochure

     

    About Saint-Gobain

    Saint-Gobain designs, manufactures and distributes materials and solutions which are key ingredients in the wellbeing of each of us and the future of all. They can be found everywhere in our living places and our daily life: in buildings, transportation, infrastructure and in so many industrial applications.

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