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

Thermalux Film
(Made from UDEL® Polysulfone Resin)
Download Product Brochure (46kb - pdf) 

Thermalux is a tough, rigid, high-strength, amorphous thermoplastic that maintains its properties over a wide temperature range. It has good electrical properties, clarity and toughness, plus exceptional steam resistance and thermoformability. It is used widely in food service, electronics, medical devices, chemical process equipment and automotive industries.

The following physical property information is based on typical values of the base UDEL® P-1700 resin as well as test results obtained from actual film testing.

 
Mechanical Properties
  Units ASTM Test Result
Tensile Strength @yield psi D882 10,600
Elongation @break % D882 110
Tensile Modulus psi D882 360,000
Flexural Modulus psi D790 390,000
Tear Strength - prop. g/mil D1004 16

 
Thermal Properties
  Units ASTM Test Result
Continuous Use Temp. - UL °F - 302
Heat Deflection Temp. @264 psi °F D648 345
Melt Temp - DSC °F - -
Glass Transition Temp. °F D3418 374
UL Rating - UL94 - - HB
L.O.I. % D2862 30
NBS Smoke Dmax E662 -

 
Electrical Properties
  Units ASTM Test Result
Surface Resistivity Ohms D257 3.0 x 1016
Dielectric Strength @ .004" V/mil D149 2,400
Dielectric Constant 1 kHz D150 3.14
Dissipation Factor 10 kHz D150 0.0013

 
Other Properties
  Units ASTM Test Result
Specific Gravity - D792 1.24
Water Absorption @24 hours % D570 0.3
Refractive Index - - 1.633
Haze % D1003 0.6
Area Factor in2/lb/mil - 22,360
 

 
Applications Include:
• Flex circuits
• Hot melt adhesives
• Thermoformed food trays
• High temperature labels
• Medical device windows
• Hydraulic piston components

 
Advantages of Thermalux Film:
• Exceptional electrical properties over varying conditions
• Excellent mechanical properties
• Good chemical resistance
• Hydrolytically stable
• Transparency
• Resin FDA compliant

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.

 
Thermalux® is a Registered Trademark of Westlake Plastics Co.
UDEL® is a Registered Trademark of Amoco Performance Products Inc.
BONDiT® is a Registered Trademark of RELTEK LLC.

 


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