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Photovoltaics

Solar Panels

DuPont Teijin Films, the world's leading manufacturer of PET and PEN polyester films, offers a range of films tailored to the photovoltaic market.

In existing technologies the most popular backsheet construction is a "sandwich" of Mylar® PET polyester film between two layers of DuPont™ Tedlar®. This trilaminate is commonly referred to as T/P/T. Mylar® polyester film is the ideal candidate for the TPT laminate because of its properties:

  • Excellent electrical properties
  • Meets water vapour barrier requirements
  • Has tailored dimensional stability
  • Is easy to handle
  • Robust "cut-through" and tear resistance

Mylar® PET polyester films for this application area are available in a range of thicknesses from 50 microns (2 mil) up to 250 microns (10 mil), with other thicknesses possible by discussion.

In the future heat stabilised Melinex® PET and Teonex® PEN polyester films will have an important role in tomorrow's flexible solar cells as their increased dimensional stability provides an ability to be processed at higher temperatures.

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For information on DuPont products for Photovoltaics visit the main DuPont site