Polypropylene Window Film 0.2 mil Thick, 2 7/8 in Wide; 300 ft

Thin window film for XRF liquid sample cups|Heat resistant up to 100 C (212 F) Reasonably chemically resistant Compatible with X-Cell sample cups 0.2 mil (5 m) thickness|Box has a serrated edge for tearing thin window film to desired length|Supplied as continuous roll 2 7/8 in (73 mm) wide, 50 ft (15 m) long|Spex SamplePrep XRF window film serves as the sample window over our X-Cell sample cups, allowing for uniform transmission of x-rays while effectively containing the liquid sample. Polypropylene film is heat resistant up to 100C (212F). It is reasonably resistant to acids, bases, and many organic chemicals, but can be attacked by aromatic and halogenated hydrocarbons. It may contain trace levels (ppm) of Ca, Zr, P, Fe, Zn, Cu, Ti, and Al.