- By the effect of soft type resin as binder of abrasive grain and PVA fiber, no deep scratches after polishing and acquire standardized and beautiful surface.
- Less heat generation while polishing by the unique sponge structure. Less clogging and possible to continue stable polishing for a long time.
- Effective on the curved surface polishment.
PBW Grinding Stone
PVA Grinding Stone
Rough ■C #220
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