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    4. PFA Films
    5. PFA-WF Welding Film

    PFA-WF Welding Film

    CHEMFILM PFA-WF Welding Film
    PFA WF (mechanical grade) is an ideal economical solution for applications that don't require high aesthetic standards, such as hot melt adhesive (welding tape) application. PFA WF grade possesses all physical, mechanical, and thermal properties of PFA film while offering up to 25% savings.

     

     

    Datasheet

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    • Features and Benefits
    • Typical Properties
    • Applications
    • Related Documents
    Features Benefits
    Fold Endurance > 600,000 Cycles Outstanding flex life and stress crack resistance
    Very low surface energy Outstanding anti-stick release properties
    Chemically inert and UV stable Excellent chemical resistivity and weatherability in extreme environments
    Superior Dielectric Strength Excellent electrical insulation properties
    Functional Temperature Range from -254°C (-425°F) to 260 Suitable for Cryogenic and High temperature applications
    Available with C-Treatment Provides Cementable surface on one or both sides of the film

    CHEMFILM®PFA-WF Fluoropolymer Film Typical Properties*

    Typical Properties Test Method Value Units
    General
    Specific Gravity ASTM D-792 2.12-2.18  
    Yield (1 mil)   18(90) m2/kg (ft2/lb)
    Water Absorption, 24 hr.   <0.01 %
    Mechanical
    Tensile Strength @ Break (RT) ASTM D-882 21(2250) MPa (psi)
    Elongation @ Break (RT) ASTM D-882 300 %
    Tensile Modulus (RT) ASTM D-882 480(70000) MPa (psi)
    Initial Tear Strength, 2mil ASTM D-1004 4.9-5.3(1.1-1.2) N(lbf)
    Propagation Tear Strength, 2 mil ASTM D-1922 2.4-2.7 (0.55-0.60) N(lbf)
    Fold Endurance (M.I.T) ASTM D-2176 >600000 cycles
    Electrical
    Dielectric Strength, 1 mil ASTM D-149 185(4700) kV/mm (V/mil)
    Dielectric Constant, 1 kHz ASTM D-150 2.1  
    Dissipation Factor, 1 kHz ASTM D-150 0.0005  
    Thermal
    Melt Point ASTM D-3418 302-310(575-590) C (F)
    Continuous Service Temperature   260 (500) C (F)
    Specific Heat   1172(.28) J/(kg· oK) (BTU/(lb·oF))
    Coefficient of Thermal Conductivity ASTM D-2863 0.195(1.35)(1.65) W/(m· oK) BTU·in/(hr·ft2·oF)
    Coefficient of Linear Thermal ASTM D-696 9.9x10-5(5.5x10-5) Mm/(mm·°C) (in/(in·°F))
    Expansion      
    Flammability UL-94 V-0  
    Limiting Oxygen Index ASTM D-2863 95 %

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

     

     

     

    Process Belting and CastingProcess Belting and Casting
    Welding FilmsWelding Films

     

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