World Class in Polyester Film
Photvoltaic applications

POLYESTER FILM FOR PHOTOVOLTAIC APPLICATIONS
Hostaphan® Polyester Film

Polyester Film can be used in a variety of constructions that are either mounted on the back of photovoltaic solar modules (crystalline) or used as a part of the construction for coated flexible photovoltaic solar modules (thin film). There are many different constructions available on the market, but most use polyester film in one or all layers of the lamination. Hostaphan® film can be used as a backsheet in a single ply or can be used as a part of a lamination for backsheet. Hostaphan® Polyester Film delivers the following superior product attributes to photovoltaic applications:

  • Superior Electrical Properties
  • Dimensionally Stable
  • Excellent Flatness
  • Chemical Resistance
  • Wide range of thickness availability - .5 mil up to 10 mil
  • Varying range of colors – hazy, ultra clear, white, black
  • Available with one or two side coating to improve adhesion to a variety of materials
  • Available with UV blocking properties
  • Ease of handling

Hostaphan® Polyester Film Products available for the photovoltaic market are as follows:

  Gauges Key Customer Attributes
2307 200 – 700 General purpose laminations, Moderate haze
3SAC 200 – 700 High clarity, two side coated for adhesion to silicone
WSAC 200 – 1000 White film, two side coated for adhesion to silicone
WSAD 200 – 1000 White film, two side coated – one for adhesion to silicone; one for adhesion to EVA
BSAC 350 Black film, two side coated for adhesion to silicone
7RUV 200 – 700 High clarity UV blocking film, one side coated for adhesion to variety of coatings or adhesives