PTFE Extruded Film Tape 5490 is a PTFE extruded film with silicone adhesive that provides an exceptionally slick surface when applied. The tape is conformable, is ideal for flat applications and also resists curling during unwind. The tape also offers great sound management that prevents squeaking and rattling. The PTFE Extruded Film Tape 5490 also offers a thicker backing which helps to extend the service life, compared to thinner versions.