3m 1/4" (6mm) X 21 Ft (7 Yards) VHB Double Sided Foam Adhesive Tape 5952 Grey Automotive Mounting Very High Bond Strong Industrial Grade 1/4" (6mm) width x 21 Ft( 7 yards) (Genuine 3M VHB 5952 Double Sides Foam (Dark Grey) Adhesive Tape 3M VHBTapes all-acrylic construction provides strength and durability in highly demanding applications Dark gray, closed-cell acrylic foam carrier. Conformable. Good Adhesion to many painted surfaces,including powder coat Adhesive type: Modified Acrylic Tape thickness w/o liner: 45 mils (1.1mm) Relative adhesion: HSE: High, LSE Med Solvent Resistance: High 50% strength of bond in 20 minutes, 90% strength of bond in 24 hours and 100% strength of bond after 72 hours