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    4. PTFE Films
    5. DF1700 and DF1900 Heat Weldable Films

    DF1700 and DF1900 Heat Weldable Films

    CHEMFILM DF1700 and DF1900 Heat Weldable Films
    CHEMFILM® DF1700 and DF1900 are heat bondable multilayer cast fluoropolymer films produced using a proprietary process. These films have a PTFE core with a thin layer of FEP or PFA on one surface. Double bondable (DB) films are also available with PFA on either surfaces or FEP on one surface and PFA on the other surface. Laser markable (LM) films are also available. DF1700 is available from 0.5-5.0 mils, and DF1900 is available from 1-4 mils. Colors and slitting are available on request.

     

     

    Datasheet

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    • Features and Benefits
    • Typical Properties
    • Applications
    • Related Documents
    Features            Benefits
    Cast Film
    • Thin gauge PTFE film
    • Uniform tensile properties in both machine and traverse direction
    • Isotropic shrinkage as a function of temperature
    Multilayer
    • High degree of consolidation resulting in superior dielectric performance
    • Different polymers, pigments and additives can be used in individual layers to customize performance
    • Heat bondable surface can be sealed onto itself; PTFE, PFA, or FEP
    Fluoropolymer
    • Superior performance in a wide range of chemical, thermal and electrical environments
    Typical Properties Test Method Value Units
    Mechanical
    Tensile Strength  ASTM D-882 29.6 (4,300) MPa (psi)
    Elongation  ASTM D-882 400 %
    Elastic Modulus ASTM D-882 413 (60,000) MPa (psi)
    Continuous Service Temp. - -188 to 260 oC
        (-400 to 500) (oF)
    Electrical
    Dielectric Constant ASTM D-150 2 60-108 Hz
    Power/Dissipation ASTM D-150 <.0001  
    Surface Resistivity ASTM D-257 1x1018  
    Volume Resistivity ASTM D-257 >1015  
    Dielectric Strength ASTM D-149 4200 volts/mil
    Surface Arc Resistivity ASTM D-495 Does not arc  
     

     

    High Performance BagsHigh Performance Bags

     

    • DF1700 TDS
    • DF1700 SDS
    • CHEMFILM 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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