The exceptionally long service life is the result of Klingspor's Advanced Coating Technology (ACT) and the excellent grit adhesion ACT provides. Klingspor fibre discs deliver superior stock removal as their combination of backing, bond and grit is perfectly adapted to the material under processing. Klingspor fibre discs have been tested according to the guidelines of the oSa directives and are guaranteed to comply with European safety standard EN 12413.