As specialist products for high-alloy steels, 4815 siacut fibre discs are suitable for a variety of applications: from general dressing work, deburring and edge chamfering through to the surface treatment of bronze ship propellers. Active cooling ingredients keep discolouration to a minimum. Advantages Firm fibre backing Aggressive cut Active additives with a cooling effect greatly reduce discolouration Applications Weld preparation Removing discolouration Sanding down Surface finishing Deburring Smoothing and blending of flaws