| 摘要 |
PURPOSE:To provide polypropylene film for processing use wherein a final molded body can be molded by giving high form accuracy and strength to a primary form body when a fiber-reinforced resin molded body using epoxy resin is molded from its prepreg (molding temperature is about 130 deg.C). CONSTITUTION:A polypropylene film has a thickness of 15mum50mum, preferably 20mum-40mum, a maximum tensile strength of 18Kg/mm<2>-30Kg/mm<2> in both length and width, preferably 20Kg/mm<2>-25Kg/mm<2>, a heat shrinking percentage of 0.05%-5.0% in both length and width when it is exposed to a temperature of 120 deg.C for 15 minutes. When this is used, a prepreg is wound on a core material so as to form a primary form body, the polypropylene film for processing use is wound on the primary form body, and it is thermoset. |
