PROTECTIVE FILM

摘要

PROBLEM TO BE SOLVED: To provide a protective film which gives somewhat constant peel strength and peel feeling even to various surface shapes of adherends and surfaces different in average roughness, and which is usable on both faces of a prism sheet having a bead face as a front face and a lens face as a rear face.SOLUTION: The protective film comprises a base material made of a polyolefin resin and a self-adhesive layer having a thickness of 0.25-3 μm, and adhesive strength based on JIS-Z-0237 between the protective film and a concavo-convex face of an acrylic resin plate provided with concavities and convexities in an average roughness of 5-50 μm is 0.1-1 N/25 mm.