A blend of ceramic and aluminum oxide mineral self-sharpens and offers improved durability and cut-rate over aluminum oxide3M™ Roloc™ attachment system enables efficient and secure attachment and removal of the discPolyester backing is extremely tough to support medium-pressure applications while maintaining consistent performance in both wet and dry applicationsGrinding aid reduces grinding temperatures for processes involving heat-sensitive alloys such as stainless steel, nickel alloys, and titanium