Carborundum Silicon Carbide Dri-Lube Paper Discs Grinding aid results in cooler on stainless steel, titanium and other exotic alloys. Full resin bond system provides improved grain adhesion and longest disc life. Flexible, B-weight latex paper provides tear resistance and flexibility. PSA backing provides easy application and removal. Water-based stearate anti-loading oversize and an open coat provides improved load resistance Pack of 4