... is customized Specifications1,light weight, high strength,watertight 2,fire resistance,corrosion resistance 3,long service life 4,all is customizedAluminum curtain ... coated with carbon flouride after the pretreatment by chromizing. The PVDF resin (KANAR500) content in the finish and varnish of ... billboard, exhibition booth, instrument casing and dashboard etc. Sell PVDF aluminum curtain wall