chemical’s polyurethane for photovoltaic frames obtained tüv süd certification
on may 24th, during the snec 16th (2023) international solar photovoltaic and smart energy (shanghai) conference, tüv süd group (hereinafter referred to as “tüv süd”) presented chemical issued the tüv süd announcement material certification based on the tüv süd technical specification ppp 58208a for the polyurethane product used for the composite material frame of the…
