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Function of Backsheet

 

Traditional module backsheet

  • Electrical insulation
  • Moisture barrier
  • Weathering
    • Hydrolytic stability
  • UV protection

GPE (Fluoropolymer/PET/EVA)

  • Weatherable PVDF
    • High level of UV and barrier protection of dielectric PET
    • Proven PET electrical insulation
    • Easy bonding to encapsulant EVA

Backsheet material layer options

  • PVF / PVDF → UV protection & chemical stability (majority of PV market)
  • PET → Dielectric & mechanical barrier
  • EVA → Encapsulation
  • Primer → proprietary formulas for adhering layers together
  • Aluminum → Structural integrity & environmental protection
  • ECTFE → Fluoropolymer topsheet (in lieu of glass)

Material thickness

  • Driven by performance & application needs (MVTR/OTR, withstand voltage, etc.)

Partial discharge

  • Regional standards & regulatory requirements (varies by country)

Bond strength

  • Application & regulatory requirements (varies by country)

Color

  • Application and aesthetics (i.e. BIPV, residential panels, etc.)

Who We Are

One of the world's fastest growing manufacturers of photovoltaic products for module manufacturing and other value added consumer end energy efficient products. Griff Photovoltaic Films provides a vital link in the green technologies supply chain. Read more...

Quality Control

At Griff Photovoltaic Films, we make an extraordinary commitment to guaranteeing incomparable product quality. Extensive quality control has been an integral part of Griff Photovoltaic Films culture. Read more...

Contact Griff Photovoltaic Solar

Griff Photovoltaic Solar
275 Lower Morrisville Road
Fallsington PA, 19054

Phone:. (215) 428-1075 ext. 101
Toll Free:. (800) 872-7549
Fax:. (215) 428-1189
E-mail:. info@griffsolar.com