Double coated, 1.0 mil polyester film carrier with 2.0 mil, primary and secondary layers of 220MP high-performance acrylic adhesive. Double linered with 4.0 mil, 58 lb polycoated liner. 200MP adhesive on each of the polyester carrier. Ideal for separation of membrane switch circuit layers. Resistant to extreme temperatures, chemicals, humidity, oozing, separating and lifting.