Aluminum Composite Panel,unbrokeable Core,20 years guarantee. Unbrokeable Aluminum Composite Panel,20 years guarantee.& PVDF coating surface& Macromolecule lamination film ... recycle,no contaminate,is a modern environmental protection products. ACP Specifications: Item Thickness Alu Thickness Width Length Standard 4mm ... . 3, 0. 4mm 900, 1270, 1500mm, 1575mm Unbrokable Aluminum Composite Panel (ACP,ACM)