Featured in Looking forward – 08-2012

Value of fluoropolymer-based backsheets

Backsheets: For most photovoltaic modules available on the market today, there are two primary protective layers – the glass on the sun-facing side of the module, and a fluoropolymer-based backsheet. Between the two, the backsheet has a demanding role as Honeywell’s Jim Bratcher explains.

While the glass serves as a key line of defense against the weather, the backsheet is tasked with the twin goals of protecting the module from the elements while isolating it against electrical shock and power leakage. The expectation that the backsheet should provide this level of protection, while adding little to its cost and …

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