3M VHB Heavy duty double sided tape This heavy-duty two-sided tape can be used for a wide array of projects. Mount bathroom fixtures in your home, add signage to the exterior of a commercial building or deck-out your car with the flashiest LED lights. It adheres firmly in minutes and becomes 100% bonded within 72 hours. Because it is particularly capable of providing a smooth, quiet and durable ride on the open road, it is the preferred 3M automotive double sided tape for specialty vehicles. Easy Installation 25% strength of bond in 30 minutes, 50% strength of bond in 60 minutes, 75% strength of bond in 12 hours, and 100% strength of bond after 24 hours. Double sided tape is black. Length 36FT, width 0.04 inches, Package Quantity: 1 roll Application Guide: 1.Surface Cleaning: Quick pre-clean of tough spots if necessary. Wet cloth to remove most contaminants. Final wipe with dry cloth. 2.Priming the Surface: Primer on a disposable towel, followed by a dry towel. Dauber bottle followed by a dry towel. Foam brush. 3. Abrading Your Substrate: Light abrasion by hand. Clean the substrate after abrading to make sure all sanding debris is removed from the bond area. 4.Tape Application by Hand: Start the tape at the edge of the surface and lay it down, applying constant pressure as you go. Apply a roll down force of at least 15 lbs with a dense J-roller over the entire area to ensure good contact between the tape and the first substrate surface. Remove the protective liner to apply the other substrate. 5.Applying Final Pressure: Applying pressure to the applied tape facilitates optimal wet-out onto the substrate. Note: 1. 3M tape is not obvious to the touch after tearing off the release paper. This is the characteristic of 3M glue. It needs a certain amount of force and continuous pressing to release its stickiness. so it is convenient for everyone to modify it when the wrong position is posted. 2. The tape will work best when it is pasted for 72 hours. Don't bear weight during this time. 3. The temperature in winter is low, if it feels not very sticky, it is recommended to use a hair dryer to heat it up. 4. Can not be used on litchi pattern surface, peeling, rough surface, or silicone material