Shop Bruker S2 Ranger Mylar Foil Roll XRF Film PN 7KP19018BR & PN 7KP19018BZRoll of Mylar XRF film for Bruker S2 Ranger available in either 2. 5 or 6 micron thickness. This XRF film, sometimes called Mylar foil, is made of a polymer called Mylar. This film can be ordered in either 2. 5um or 6um thickness and comes in a 300 ft. long roll. Mylar is often used to test gasoline samples in liquid XRF cups but is used in a variety of XRF applications as well. Supported Models: Bruker S2 Ranger If you do not see your specific item