POLISHING SHEET CAPABLE OF CHECKING EASILY REPLACEMENT PERIOD AND UTILIZING METHOD THEREOF

摘要

PURPOSE: A polishing sheet and a utilizing method thereof are provided to check easily replacement period by using color polishing fabrics. CONSTITUTION: A polishing fabric layer(4) is attached on a polishing wheel(5). A color polishing-fabric layer(6) is coated on the polishing fabric layer. Abrasive suspensions(1) are coated on the color polishing-fabric layer. The material of the color polishing-fabric layer is the same as that of the polishing fabric layer. The abrasive suspensions contain diamond paste and aluminium powder.