| 摘要 |
PURPOSE:To increase grinding ability of an abrasive and make the abrasive usable for a long time by mixingly dispersing thermosetting resin powder into thermoplastic resin at specified mixture ratio. CONSTITUTION:10-50wt.pt. of thermosetting resin powder (such as melamine resin or the like) is mixed with 90-50wt.pt. of thermoplastic resin (such as polycarbonate resin or the like) melted, congealed, and smashed to obtain an abrasive with grinding ability strong enough to grind various synthetic resinous mold products effectively.
|
