3M™ Polyester Delaminating Tape 3305, 310 mm x 100 m, 1 Roll/Case. 3M™ Wafer De-Taping Tape 3305 is a transparent polyester film with an adhesive specifically designed for the removal of the 3M™ WSS adhesive from the surface of the device wafer after the carrier glass is separated from the silicon wafer.