San Diego Plastics
2220 McKinley Avenue
National City  CA  91950
800/925-4855   619/477-4855   FAX 619/477-4874

PVDF Film
(Made from KYNAR® Polyvinylidene Fluoride Resin)
Download Product Brochure (41kb - pdf) 

PVDF is strong and tough as reflected by its tensile properties and impact strength. Compared to many thermoplastics, PVDF has excellent resistance to creep and fatigue, yet in thin sections such as films, PVDF components are flexible and transparent.

The following physical property information is based on typical values of the base Kynar® 740 resin as well as test results obtained from actual film testing.

 
Mechanical Properties
  Units ASTM Test Result
Tensile Strength @yield psi D882 7,550
Elongation @break % D882 160
Tensile Modulus psi D882 250,000
Flexural Modulus psi D790 260,000
Tear Strength - prop. g/mil D1004 735

 
Thermal Properties
  Units ASTM Test Result
Continious Use Temp. - UL °F - 265
Heat Deflection Temp. @264 psi °F D648 244
Melt Temp - DSC °F - 329-338
Glass Transition Temp. °F D3418 -
UL Rating - UL94 - - VTM-0
L.O.I. % D2862 43
NBS Smoke Dmax E662 -

 
Electrical Properties
  Units ASTM Test Result
Surface Resistivity Ohms D257 >1016
Dielectric Strength @ .003" V/mil D149 1,930
Dielectric Constant 1 kHz D150 8.15 - 10.46
Dissipation Factor 10 kHz D150 0.005 - 0.019

 
Other Properties
  Units ASTM Test Result
Specific Gravity - D792 1.78
Water Absorption @24 hours % D570 0.01
Refractive Index - - 1.42
Haze % D1003 -
Area Factor in2/lb/mil - 15,480
 

 
Applications Include:
• Filters
• Diaphragms
• Release films
• Piezoelectric films
• Chemical resistant tank linings
• Fuel cell seals
• Medical bags

 
Advantages of PVDF Film:
• Excellent chemical resistance
• Stable to UV and the effects of weather
• Low NBS smoke generation and superior LOI
• Excellent transmittance of solar energy
• Excellent dielectric strength
• High heat resistance
• Excellent physical and mechanical properties for a fluoropolymer
• Resin FDA compliant
• FM 4910 approved

Manufacturing Capabilities:
Thicknesses and Widths:
.002” to .029” up to 26” wide
Finishes:
all thicknesses available polished one side, matte the other (P/M)


 
*In addition to our standard capabilities, Westlake also has the ability to process custom resins in various sizes and colors with some exceptions.

 
Kynar® is a Registered Trademark of Atofina Chemicals, Inc.
BONDit® is a Registered Trademark of RELTEK LLC.

 


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