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

Westlake PEEK Film
(polyetheretherketone - Made from VICTREX® Polymer)
Download Product Brochure (pdf) 

PEEK is a high performance semi-crystalline thermoplastic. PEEK’s characteristics include high temperature performance, excellent wear properties, superior chemical resistance, hydrolytic stability and outstanding toughness and strength. PEEK meets many aerospace, automotive, fire, smoke and toxicity, food/water, medical/pharmaceutical, and military approvals and standards.

The following physical property information is based on typical values of the base Victrex® PEEKTM 450G resin as well as test results obtained from actual film testing.

 
Mechanical Properties
  Units ASTM Test Result
Tensile Strength @yield psi D882 17,400
Elongation @break % D882 50
Tensile Modulus psi D882 391,500
Flexural Modulus psi D790 531,000
Tear Strength - prop. g/mil D1004 35

 
Thermal Properties
  Units ASTM Test Result
Continuous Use Temp. - UL °F - 464
Heat Deflection Temp. @264 psi °F D648 330
Melt Temp - DSC °F - 644
Glass Transition Temp. °F D3418 289
UL Rating - UL94 - - VTM-1
L.O.I. % D2862 23
NBS Smoke Dmax E662 1

 
Electrical Properties
  Units ASTM Test Result
Surface Resistivity Ohms D257 1.8 X 1015
Dielectric Strength @ .003" V/mil D149 3,200
Dielectric Constant 1 kHz D150 3.30
Dissipation Factor 10 kHz D150 0.0026

 
Other Properties
  Units ASTM Test Result
Specific Gravity - D792 1.256
Water Absorption @24 hours % D570 0.4
Refractive Index - - -
Haze % D1003 0.5
Area Factor in2/lb/mil - 20,900
 

 
Applications Include:
• Automotive gaskets
• Aircraft interiors
• Helicopter rotor blades (leading edge)
• Transformer slot liners
• Copy machine components
• Thrust washers
• Hot melt adhesives
• Reed fuel valves
• Disk polishing carriers

 
Advantages of Westlake PEEK Film:
• Extremely high temperature resistance and continuous use temperature
• Excellent flexural and tensile properties
• Good abrasion and rain erosion resistance
• Excellent chemical resistance
• Excellent electrical properties
• Hydrolytically stable

Manufacturing Capabilities:
Thicknesses and Widths:
.001” to .010” up to 27” wide
.011” 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.

 
PEEKTM is a Trademark of Victrex plc.
BONDiT® is a registered trademark of RELTEK LLC.

 


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