AKASOL® PV laminates for solar engineering

As a TEDLAR® distributor and hence a TEDLAR® specialist, we produce laminated films under the brand of AKASOL® for the back panel in photovoltaic modules. Because of their outstanding mechanical, electrical and chemical properties together with the exceptionally high stability to weathering, our laminates ensure truly effective protection for your sensitive solar cells. Based on our extensive knowledge and skills in the product areas of » Laminated Films / Special Laminates « and in the processing technologies of » Bonding / Coating «, we conduct intensive research and development to find new combinations, customer-specific solutions and other interesting applications.

 

 

 

Technical data for AKASOL®
Types PTL 3-38/75 PTL 2-38/75 PTL 3-25/125


PTL 3-25/75 TUT
Design PVF/PET/PVF
+ Primer
PVF/PET
+ Primer
PVF/PET/PVF
+ Primer
PVF/PET/PVF
+ Primer
Thickness 180 µm 140 µm 205 µm 155 µm
Weight 240 g/qm 180 g/qm 280 g/qm 210 g/qm
Density 1.4 g/ccm 1.4 g/ccm 1.4 g/ccm 1.4 g/ccm
Length on reel 150 - 300 m 150 - 300 m 150 - 300 m 150 - 300 m
Properties white** white** white** transparent
Adhesion to EVA 40 N/cm 40 N/cm 40 N/cm 40 N/cm
Peel strength 75 N/5cm 75 N/5cm 75 N/5cm 75 N/5cm
Moisture vapour
transmission
< 1.3 g/qmd < 1.6 g/qmd < 1.2 g/qmd < 1.4 g/qmd
Dielectric
strength
> 14 kV > 11 kV > 18 kV > 14 kV
Partial load operating system voltage 760 VDC 710 VDC > 815 VDC 750 VDC
** other colours on request

Design, production and properties of AKASOL®

AKASOL® laminated films are manufactured in to give a variety of designs from polymer film and/or TEDLAR® films. The most common material for the inner layers is PET film with a thickness of 75 µm, and the outer layer is usually a PVF film 38 µm in thickness. Alternatively a 25 µm PVF film can be used as the outer film. PET films are dimensionally stable, moisture-resistant and are characterised by their outstanding electrical insulation properties whereas PVF films assure dependable protection from UV radiation.

 

In the case of transparent photovoltaic laminated films, particular attention is paid to good light transmission. It is for this reason that we also supply combinations with ETFE films for extremely high transparency. As these laminates have to be particularly thin, PET film with exceptional stability to moisture is used here.

 

 

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