Can be used in many places: 1) Exterior curtain walls of buildings 2) Decoration reformation for old buildings 3) Decoration of interior walls, balconies and shop doors 4) Advertisement boards, display platforms and signboar Standard specifications: 1) Thickness: 3mm, 4mm 2) Width: 1,220mm; 1,250mm; 1,575mm 3) Length: 2,440mm; 3,050mm; 3,200mm 4) Aluminum foil thickness: 0.50mm, 0.40mm, 0.30mm, 0.20mm, 0.15mm Structure: 1) Front side: aluminum coated with polyester resin or PVDF coating 2) Core: nontoxic polyethylene / non combustible material 3) Back side: aluminum with / without polyester coating Features: 1) Super peeling strength 2) Good temperature adaptablity 3) Excellent performance of fireproof 4) Weather proof 5) Quickly installed 6) Excellent self-cleaning character