... ,0.5mm 3)features 1) light weight,flat surface and high strength2) excellent heat insulation,sound insulation,fire-resistance,acid-resistance ... non-resonance3) various uniform colors4) bright,elegan and magnificent,fit for various designs5) kynar 5000 PVDFresin feature strong chemical resistance,unique ... tooths,vehicle bodies,yachts,industrial usage etc. 3mm Aluminum composite panel use for engraving