3M™ VHB™ Tape 4611 is a dark grey, 1.1 mm thick, general purpose very high bond (VHB) adhesive tape with firm foam that has the added feature of high temperature resistance. 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 high surface energy substrates.