Country of Origin: China (mainland) Surface finish: PVDF/ Polyester Dimensions: 1,220 x 2,440 x 4mm Non-standard panel in different length or different width is available Characteristic: Strong peel strength Property Weather resistance Coating & different colors could be chosen Fireproof & good impact-resistance Light materials Easy to maintain 1) 3-layers PVDF coating, thickness of coating reaches 29 um. And material is sourcing from PPG (U.S.A.) INDUSTRIES, INC. Polyester coating reaches 20 um 2) Aluminium coils supplied by SOUTHWEST ALUMINIUM(GROUP)CO., LTD. 3) Protective film from Novacel, France 4) PE-incore is from SINOPEC QILU COMPANY LTD. 5) Adhesive polyfin film is made by SK Korea, more than 90 degree 6) Back side aluminium has protective coating 7) Coating hardness: 3H 8) Coating Slovent resistance: no change after testing 9) Peel strength more than 12 Newton