3M™ VHB™ Tape is comprised of closed cell foam with pressure sensitive adhesive on two sides. This unique combination offers benefits that screws, rivets, welds and other types of mechanical fasteners just can?t match. In many situations, they can replace other permanent fasteners. They are made with acrylic foam which is viscoelastic in nature. This gives the foam energy absorbing and stress relaxing properties which helps provide these tapes with their unique characteristics. The acrylic chemistry helps provide outstanding durability performance. The all acrylic construction of 3M™ VHB™ Tape RP45 gives it extraordinary strength, conformability and versatility. It resists UV and weather damage, making it a great solution for outdoor applications. 3M™ VHB™ Tape RP45 bonds high and medium surface energy substrates.