3M double coated tapes 9500PC feature a thin polyester film for dimensional stability and improved handling with ease of die-cutting and laminating. 3M adhesive 350 is a medium-firm acrylic adhesive that provides a combination of high wet grab and initial adhesion and good shear holding power to a wide variety of materials, including many plastics. - 3M double coated tape 9500PC has a moisture resistant liner which can withstand high humidity conditions with minimal cockling or wrinkling. High performance with good chemical resistance.