| 摘要 |
<p>A method of rejuvenating marked or scuffed glass, particularly bottles (5), by abrading the scuffed areas (7) with an abrasive grit of between P200 and P600 roughness and subsequently polishing the abraded surface with a grit having a roughness of at least P1000. The abrasives of choice are respectively aluminium oxide and pumice carried on flexible belts (1).</p> |
