J.V. Converting DC-UHB25FA/GRY0536 JVCC DC-UHB25FA-G Ultra High Bond Double Coated Tape: 1/2" x 36 yd, Grey Core: 3 inch diameter plastic Backing/carrier: foamed acrylic Adhesive: ultra high bond acrylic Release liner: red polyethylene film Thickness: 25.2 mils (carrier, adhesive)