3M Dual Lock Reclosable Fasteners have been used extensively in transportation, electronics, business equipment, machinery, medical and sign and display markets. When the mushroom-shaped stems interlock, tensile strength is high enough to replace mechanical fasteners in many applications, yet you can readily open and close Dual Lock fasteners hundreds of times. High temperature and solvent resistant. Black, polyproplyene reclosable fastener with a VHB Tape pressure sensitive 170/400 stems per square inch

Acrylic based PSA with types 170 and 400, white acrylic tape and clear polyethylene film liner. High temperature and solvent resistance, high shear Adhesion, high HSE and Low LSE. 230 mil engaged thickness.