Raw Material:Pa610/Pa612 + 30% Silicon Carbide Grits: 36, 46, 60, ... , 120, 180, 240, 320, 500, 800 7. The raw material: PA610 + 30% Silicon carbide 8. Types: Bending and straight Girt ... 1.00.90.80.60.50.5Grit Load ( % )25303030303030303025Deburring, polishing or sanding. Machining, cleaning or structuring. Steel or stone, aluminium ... gets tough, we really are there for you. Polishing Wire (PA 610/612)