TESA51966 is a transparent double-sided tape consisting of a PET backing and a highly tackified adhesive. The brown colored glassine paper liner is branded with a blue tesalogo.Backing material PETColor transparentTotal thickness 200 m (7.9 mils)Type of adhesive AcrylicElongation at break 55 %Tensile strength 20 Ncm (11.4 lbsin)