The backsheets are all with barrier capability in accordance with ISO 15106-3 as the company states. The Krempel-Group made first inroads into thin film technology in 2012 with AKASOL HBF (high barrier foil) with a fluoropolymer as outer layer. This year saw the launch of AKALIGHT HBF with a special polyester outer film in line with demanding Krempel standards. Both are based on AKASOL and AKALIGHT backsheets for classic solar modules, which have already proven their quality in worldwide field use.
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