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WESTHERM™ THIN FILM THERMAL INTERFACE MATERIALS

Thin, thermally conductive, insulating materials.

Why We Created WESTHERM™

Our WesTherm™ thermal interface materials are thin film products designed to isolate power sources from heat sinks while still conducting heat.

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Key Benefits

Excellent Thermal Properties

Help to Reduce the use of Cooling Fans in Electronic Enclosures.

Clean and Efficient Alternative to Mica, Ceramics or Grease.

Easy to Use During Assembly

WESTHERM™ THIN FILM THERMAL INTERFACE MATERIALS

WesTherm™ Film

WesTherm™ Film products are available in a variety of thicknesses and thermal conductivity values. Films are commonly used in applications such as placement between heat generating components and heat sinks or heat spreaders, among other applications. Our fiberglass-reinforced and ceramic particle-filled films provide cushioning for electronic components such as transistors. Our aluminum foil coated films are superior replacements for thermal grease compounds. We also offer a Kapton® and silcone composite film, which can be a lower cost replacement for expensive and breakable ceramic insulators.

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Quick Reference Chart

WesTherm Number
Conductivity (W/m-K)
Thickness
Color
UL Rating
Temperature Rating (F)
Film Carrier
Volume Resistivity
Availability
Datasheet
WesTherm Number: FILM-HB
Conductivity (W/m-K): 1.6
Thickness: .009
Color: Pink
UL Rating: UL94-V0
Temperature Rating (F): -75 to 350
Film Carrier: Fiberglass
Volume Resistivity: 1010
Availability: Die Cut to Size
WesTherm Number: FILM-FM
Conductivity (W/m-K): 1
Thickness: .15 mm
Color: Green / Gray
UL Rating: UL94-V0
Temperature Rating (F): -76 to 356
Film Carrier: Fiberglass
Volume Resistivity: 107
Availability: Die Cut to Size
WesTherm Number: FILM-FM
Conductivity (W/m-K): 1
Thickness: .20 mm
Color: Green / Gray
UL Rating: UL94-V0
Temperature Rating (F): -76 to 356
Film Carrier: Fiberglass
Volume Resistivity: 107
Availability: Die Cut to Size
WesTherm Number: FILM-FM
Conductivity (W/m-K): 1
Thickness: .30 mm
Color: Green / Gray
UL Rating: UL94-V0
Temperature Rating (F): -76 to 356
Film Carrier: Fiberglass
Volume Resistivity: 107
Availability: Die Cut to Size
WesTherm Number: FILM-GP
Conductivity (W/m-K): .9
Thickness: .007
Color: Gray
UL Rating: UL94-V0
Temperature Rating (F): -76 to 356
Film Carrier: Fiberglass
Volume Resistivity: 1011
Availability: Die Cut to Size
WesTherm Number: FILM-GP
Conductivity (W/m-K): .9
Thickness: .009
Color: Gray
UL Rating: UL94-V0
Temperature Rating (F): -76 to 356
Film Carrier: Fiberglass
Volume Resistivity: 1011
Availability: Die Cut to Size

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With over 40 years of growth we have one of the most comprehensive arrays of advanced processes in the industry.

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