[Super Heavy Duty 3M Tape & The Longer The More Viscous]: SmartMaster Strong double sided mounting tape, with 3 m length 20 mm width and 1mm thickness. Its stickiness will gradually increase over time. Obtain 50% strength of bond in 20 minutes, 75% strength of bond in 60 minutes, 90% strength of bond in 24 hours, 100% strength of bond after 72 hours. Please do not hang heavy objects immediately after sticking, it is recommended to hang heavy objects after 24 hours to obtain perfect adhesion. [Multi-Scene Application & Easy Installation And Apply]: 3M VHB (Very High Bond)double sided tape is very suitable for construction work such as heat insulation, connection, modification, sealing and signage. Bonding of car billboards, LED strips lights, hook rack, metal street sign, hang signs, picture frames, wheel lips, nameplates, and decorative strips etc. Easy to install, just simply clean the places that need to be used, then peel off the tape and stick it to the surface of the object. [Clear Removable & Waterproof]: In order to allow everyone to change the position incase any mistake, 3M adhesive tape adopts more user-friendly design, it is not very sticky when it is just applied. Please note that it will work extremely well after 24 hours. Besides, 3M tape is waterproof and it is viscoelastic in nature which gives the foam energy absorbing and stress relaxing features. Made of viscoelastic acrylic foam, it gives the tape excellent durability, solvent resistance. [Invisible Bond & Strong Ductility]: These heavy duty double-sided adhesive tape roll can replaces rivets, screws, bolts and welds, avoid unnecessary damage to your objects, walls, etc. Help to enhance your design appearance with virtually invisible bonding. In addition, it can withstand a variety of extreme environments, has the advantages of high strength, strong ductility, resistance to high temperature, low temperature and cycle temperature, UV resistance, moisture and solvents.