320 Grit Roughing Pad

MATERIAL – Silicon Carbide | THICKNESS – 0.30MM | SIZES – 76MM, 89mm |
SHAPES – P T | RECOMMENDED PRESSURES – 15lbs – 18lbs (Loh 0.25/0.35 bar) |
RECOMMENDED RUNNING TIME – 2 minutes when used as a Polycarbonate first
fine | SLURRY – Plain water filtered via a propriety filter system or direct to waste



An aggressive Silicon Carbide material specifically designed as a superior first fine pad for Polycarbonate Lenses. It gives a consistent removal rate throughout the fining operation and leaves a regular surface for the next fining stage.
This pad can also be used as a standard roughing pad for CR39 and Hi-Index lenses with excellent results.