Dream, design, deliver with 3M™ VHB™ Window Tape B45F. It is a black, 45 mil (1.1 mm), multi-purpose acrylic adhesive with a conformable foam core and film liner. It is used for residential window assembly including muntin or grill bar attachment. The fast and easy to use permanent bonding method provides high strength and long-term durability.3M VHB Tape consists of a durable acrylic adhesive with viscoelastic properties. This provides an extraordinarily strong double sided foam tape that adheres to a broad range of substrates, including aluminum, painted aluminum, glass, plastics, and painted or sealed wood. bonding tapes provide excellent strength, conformability, surface adhesion, and temperature resistance. The 3M VHB Window Tape family is used in residential window assembly applications including muntin or grill bar attachment. 3M VHB Window Tapes utilize a multi-purpose acrylic adhesive on both sides of a conformable, foam core. They are specifically designed for good adhesion to metals, glass, and other medium, to high surface energy materials. Applications for this tape include muntin bar and trim attachment, as well as simulated, divided light grill bars.