3M6615 is a 3M double-sided adhesive without a backing material.Made of double-coated polypropylene acid adhesive on non-woven fabric. Features good initial and holding adhesion, easy to die-cut, excellent stability, and good adhesion to plastics, rubber, and rough surfaces; maintains good holding power at high temperatures, with long-term temperature resistance up to 70.℃Short-term temperature resistance up to 150℃The tape color is white.