Backsheet Items

 


 

 

Backsheet Product Line:

 

Hemera

Hemera is a line of backsheets based on polyvinylidene fluoride (PVDF). These backsheets are designed as an alternative for PV manufactures. Hemera is offered in a 1000VDC line.

Hemera GPP 1000 (SIL) - PVDF/PET/SILICONE PRIMER

  • Hemera GPP 1000 (SIL) is a white polyvinylidene fluoride / polyethylene terephthalate / Silcone Primer based product that provides superb electrical, physical, thermal, and barrier properties. Hemera GPP 1000 (SIL) is engineered for use in photovoltaic backsheet applications and provides maximum bonding strength to silicone encapsulants.
  • Product sheet: Hemera GPP 1000 (SIL)

Hemera GPE - PVDF/PET/PRIMER

  • Unique bonding layer for superior bonding to encapsulant.
  • Hemera GPE is a white polyvinylidene fluoride / polyethylene terephthalate / encapsulant primer based product that provides superb electrical, physical, thermal, and barrier properties. Hemera GPE is engineered for use in photovoltaic backsheet applications.
  • Product sheet: Hemera GPE 500 and Hemera GPE 1000

 
Hemera EPAG 1000 - PVDF/AL/PET/PRIMER

  • Hemera EPAG 1000 is a polyvinylidene fluoride / Aluminum Foil / polyethylene terephthalate / encapsulant primer based product  engineered for use in photovoltaic backsheet applications.
  • Product sheet: Hemera EPAG 1000

 
Hemera PE 750 - PET/PRIMER

 

  • Hemera PE 750 is a white polyethylene terephthalate / white encapsulant primer engineered for use in photovoltaic backsheet applications.
  • Product sheet: Hemera PE 750

  

Hemera EPE 500 - PRIMER/PET/PRIMER

 

  • A superior bonding laminate for masking and outlining PV cells and interconnects.
  • An excellent alternative for thin-film PV
  • Hemera EPE is a laminate of encapsulant primer / polyethylene terephthalate / encapsulant primer engineered for internal masking and backsheets for photovoltaic modules. Available in white, black, clear, and custom colors.
  • Product sheet: Hemera EPE 500


 


Layer Descriptions:

 

  • PVDF Layer (polyvinylidene fluoride)

    • Good resistance to hydrolysis
    • Protects module and dielectric from ultraviolet (UV)
    • Prevents environmental deterioration
    • Excellent environmental release of dust, dirt, smog, etc.

    EVA Layer (ethylene/vinyl acetate)

    • Lamination to PET for maximum bond to encapsulants
    • Excellent bond strength compared to primers

    PET Layer (polyethylene terephtalate)

    • Laminate to PVDF or EVA for superior adhesion
    • Extends longevity allowing for products that will endure for decades

    Intra-laminate Adhesive

    • Excellent bonding strength
    • Very high melt point for ease of module lamination
    • Extremely durable and engineered for outdoor environment

    Tedlar PV2111 (Polyvinyl Fluoride)

    • UV and weather resistant
    • 25+ years as the industry standard
    • More dimensionally stable then past grades of Tedlar
      Higer output of modules due to reflectance