... ceramic,quartz,glass,metal, plastic etc *Stable polishing quality Optical Fiber Polishing Machine Function: For surface-polishing of ceramic, quartz ... rotation direction *Isolated cabinet to separate water, air and electrical system for safety Specification: *Polish Pad OD: 110/127mm ... Rotation Speed: 0 ~ 220 rpm *Revolution Speed: 2 rpm *Polish Plate Pulsation: < 0.015mm *Power Supply: 220V AC,50/60 ...