| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold release sheet rarely giving an adverse influence on a hard disk device when used for the hard disk device, and to provide an adhesive material. SOLUTION: The mold release sheet includes a substrate and a mold release agent layer formed on the substrate, and is a mold release sheet stuck to the adhesive agent layer of an adhesive sheet for a hard disk device, wherein the mold release agent layer includes an olefin based thermoplastic elastomer having at least a density of 0.80-0.90 g/cm<SP>3</SP>and a polyethylene resin having a density of 0.902-0.925 g/cm<SP>3</SP>. COPYRIGHT: (C)2010,JPO&INPIT |
