Dream, Design, Deliver with our 3M™ VHB™ Tape 4945. It is a white, 0.045 in (1.1 mm), multi-purpose adhesive on both sides of a firm, foam core with a densified kraft paper liner. The fast and easy to use permanent bonding method provides high strength and long-term durability. It offers design flexibility with its viscoelasticity and powerful ability to bond to a variety of surfaces. - Permanent bonding method provides high strength and long-term durability. Virtually invisible fastening keeps surfaces smooth. Replaces mechanical fasteners (rivets, welds, screws) or liquid adhesives. Multi-purpose adhesive and firm acrylic foam core.