POLYPROPYLENE FILM FOR DOUBLE-SIDE VACUUM DEPOSITION

摘要

PURPOSE:To provide a polypropylene film for double-side vacuum deposition which can prevent film breaking, wrinkles and blocking to a metal of the double-side vacuum deposition film from occurring. CONSTITUTION:A polypropylene film for double-side vacuum deposition exhibits the difference in wet tension of the surface and the rear face is at least 1dyne/ cm, the difference in the surface roughness Ra thereof is at least 0.05mum and the difference in Rmax is at least 0.1mum and the lusters of both surfaces are 110-135.