320 Grit Roughing Pad

click image to enlarge 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
Cerium focuses on the problem and comes up with tangible solutions.
ISO 9002: 1994 Certificate No: FM 33565