UHU ALL Purpose Adhesive extra, the unique non-drip, crystal-clear universal adhesive for clean assemblies. A gel that is ideal for use on vertical surfaces. Its adhesive film remains elastic and it does not wrinkle paper. Universal - glues wood, Plexiglas, metal, glass, ceramic, leather, fabrics, cardboard, paper. Not suitable for PE, PP. Thoroughly clean the surfaces to be stuck (dry and free of dust and grease).