Backing material: Foamed acrylicColor: Deep blackTotal thickness: 31.5 milsType of Adhesive: Tackified acrylicElongation at break: 1000 %Adhesion to Aluminium (after 3 days): 292.36 ozinGlass (after 3 days): 292.36 ozinPMMA (after 3 days): 246.68 ozinSteel (after 3 days): 274.09 ozin