3M™ Membrane Switch White Spacers with 3M™ Adhesive 200MP is a hiperformance Acrylic PSA laminated to one side of a polyester film. The 3M adhesive 200MP acrylic PSA has a good balance of peel & cohesive strength and is a very good general purpose, smooth, caliper controlled, transparent acrylic adhesive that can be used for membrane switch laminates consisting of PET circuitry film layers & subsurface graphic ink bonding surfaces.