Crystal Clear Sealing Film is an optically transparent sealing film for SBS format 24, 48, 96 and 384 well plates. The 2 mil (0.05 mm) thick, optically clear, non-fluorescing polyester film with 1 mil (0.025 mm) thick acrylic custom adhesive is designed for the convenient and secure sealing of crystallization plates. A split, optically opaque polyester backing with two end tabs assures a clean uniform adhesive layer and allows for easy, accurate positioning on the plate. Before use, peel off the opaque center protective polyester backing to reveal the optically clear sealing film. Film length: 5.625" Film width: 3.125" End tabs: 0.375" Perforations: 0.415" from edge of film Corner radius: 3/32". DNase-, RNase-, and nucleic-acid-free, non-sterile. Recommended temperatures from -40 to +120°C. Not recommended for UV imaging.