320 Grit Roughing Pad
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.
| Material |
Silicon Carbide
|
| Thickness |
0.30mm
|
| Sizes |
76mm, 89mm
|
| Shapes |
P T
|
| Recommended pressures |
15lbs - 18lbs
|
| Rec. running times |
2 minutes when used as a Polycarbonate first fine
|
| Slurry |
Plain water filtered via a Cerium MK IV Cold Filter or direct to waste
|