ALUSONG PVDF aluminum composite panel is exclusively made for exterior wall cladding, its excellent property comes from the front coating and its outstanding durability, PVDF kynar 500 coating is achieved through the continuing roller coating system which is based on the most prestigious technology and the multiple layers are individually stoved at 220-260℃, the two cover sheets sandwich the same mineral core of polyethylene which is Hardly inflammable. Chemical salt and alkali resistance for 20 years