| 摘要 |
PROBLEM TO BE SOLVED: To provide an eraser-like cleaner capable of easily eliminating smudges as if erasing letters with an eraser without damaging an electromagnetic cooker or the like. SOLUTION: The eraser-like cleaner is made by kneading and molding 5-85 wt.% polystyrene elastomer and 95-15 wt.% abrasive having a Mohs hardness of 2.0-4.0. The polystyrene elastomer has a hardness of 30 or more (JIS A), and its MFR (Melt Flow Rate) is 0.1 g/10 min-100 g/10 min (230°C, 2.16 kg), or 0.1 g/10 min-100 g/10 min (200°C, 5.0 kg), or 0.1 g/10 min-100 g/10 min (190°C, 2.16 kg), or 0.1 g/10 min-200 g/10 min (200°C, 10.0 kg). COPYRIGHT: (C)2011,JPO&INPIT |
