3M™ Membrane Switch Spacer 7945MP is a 2.0 mil 3M™ High Performance Acrylic Adhesive 200MP double coated on each side of a 1.0 mil polyester film carrier on a double liner of 4.2 mil, 58 pound, printed, moisture-resistant, lay-flat polycoated kraft paper. 3M™ High Performance Acrylic Adhesive 200MP is a popular choice, and industry standard, for graphic attachment and general industrial joining applications. This adhesive provides some initial repositionability for placement accuracy when bonding to plastics. It also performs well after exposure to humidity and hot/cold cycles. This tape features up to 400°F short-term heat resistance, excellent solvent resistance, and excellent shear strength to resist slippage and edge lifting. High shear strength withstand repeat stresses of switch actuation. Designed to separate switch circuitry until actuation.