Double Coated / Differential Adhesive Tapes have a different adhesive on each side of the carrier, some for clean removal applications, and others for bonding to incompatible surfaces. Permanent/Removable adhesives are often used on glass for it removes without leaving residue. Acrylic/Rubber, Acrylic/Acrylic and Acrylic/Silicone adhesives are used for a wide variety of very demanding applications.