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Honeywell said it has developed a new material to protect photovoltaic (PV) solar cells in tough environments.
Honeywell PowerShield PV325 is designed to be UV-, moisture- and weather-resistant, and to also withstand the electrical load produced by the modules, which can operate at up to 1,000 volts of electricity.
Honeywell PowerShield was developed primarily for rigid PV modules, which are specifically designed to feed power into a utility or local power grid.
Honeywell expects the barrier material to be certified under the industry's performance-based standard by the end of the year.
The reflective white material is based on Honeywell's high-performance barrier film technology. Honeywell PowerShield has a five-layer design that includes two outer protective layers based on ethylene-chlorotrifluoroethylene (ECTFE) fluoropolymer film and a core polyethylene terephthalate (PET) layer, as well as two inner bonding layers of proprietary adhesive material. It will provide PV module manufacturers with an alternative to poly-vinyl fluoride backing materials.
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