| 摘要 |
PROBLEM TO BE SOLVED: To provide an economical mold cleaning sheet which can simultaneously clean a tie-bar part incapable of being cleaned by a conventional dummy frame, is well integrated with a cleaning resin, does not need troublesome work such as accurate positioning, and can clean a part not being brought into contact with the cleaning resin, controls the release of polluting foreign materials, and can correspond to a plurality of molds and a cleaning method using the sheet. SOLUTION: The mold cleaning sheet used for cleaning the surface of a resin molding mold by the cleaning resin while being placed between the surfaces of the mold is composed of a nonwoven fabric containing at least 50 wt.% of cellulose fibers. When another component exists in the nonwoven fabric, the component is composed of a material having a melting point of at least 200 deg.C, and the fiber packing ratio of the nonwoven fabric is 5-50%. |
