3M™ Super Bond™ Film Tape 396, Transparent, 1 2 in x 36 yd, 4.1 mil, 72 rolls per case Min Qty Order:72 Convolute construction wound around a Convolute construction wound around a fiber core runs smooth to provide fine Sand With The Grain Of The Surface And Work Through A Sequence Of Grits Our 3M™ Super Bond Film Tape 396 offers the thin caliper tensile strength of polyester and high immediate holding strength of rubber adhesive for creating butt splices on low surface energy materials such as polyethylene and other difficult to adhere to surfaces Rubber resin adhesive provides aggressive grab to irregular surfaces