Film-Grade PET
Film-Grade PET is mainly used to produce PET back sheets in PV or solar modules, BOPET film, packaging film, printing film etc
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"Wankai" brand Enhanced Film Grade Chip WK-711 is a PET polyester chip speciallydeveloped for the manufacture of transparent photovoltaic backsheet polyester film with goodwater vapor barrier,insulation,humidity and heat resistance and light aging properties.