Photovoltaic backsheet
A rear polymeric covering construction with specified protective and electrical functions in a PV module.
Also called: backsheet, PV backsheet
Material family: Battery and solar materials
Where it matters
Specify the complete multilayer/coated product and its cell-facing and weather-facing surfaces.
Testing and verification
A PET layer alone does not define the finished backsheet; component evidence does not automatically approve a module.
Related guides
Related products and materials
Technical references
- IEC TS 62788-2:2024 polymeric frontsheets/backsheets (opens in a new tab)
- DuPont Tedlar backsheet examples (opens in a new tab)
General information for preliminary evaluation; not independently reviewed or certified. Confirm grades, standards and suitability with the manufacturer for your application. Interpret within the exact material, grade and test method.