3M Membrane Switch Spacer 7945MP features 3M High Performance Acrylic Adhesive 200MP, formulated for excellent shear strength, on a 1 mil PET film carrier. This adhesive withstands repeated switch actuation and forms neat, clean edges for precise slitting and die-cutting. Double PCK paper liners resist humidity, curling, tunneling and buckling, and add stability for improved sheet processing.