... ) qty/20‘fcl:4mm/2380sqm,qty/20‘fcl:3mm/2977sqmg) non-standard size are available according to requirement 2) materiala) front ... ,sound insulation,fire-resistance,acid-resistance,alkali-resistance,weatherproofness and non-resonance3) various uniform colors4) bright,elegan and magnificent,fit for ... tooths,vehicle bodies,yachts,industrial usage etc. 4mm Exterior Aluminum Composite Panel (pvdf Coating)