Abrasive flap discs Applications by different abrasive: 1) aluminium oxide, symbol: a Suitable for iron, mid steel, welding rods, cost iron aluminium, non-ferrous metals and wood. 2) silicon carbide (disc in black color ), symbol: c Suitable for marbles, stones, building materials, hand materials, glass. 3) zirconium, symbol: z 4) t27/t29 is available. Suitable for heavy deburring and finishing on metals. High performance. These discs do not contain metal iron and/or iron compounds. Dimension(mm) max.Speed abrasive available grit available backing available 100x16 15200 a, z, c 40 - 400 fibre glass, nylon 115x22 13300 a, z, c 40 - 400 fibre glass, nylon 125x22 12200 a, z, c 40 - 400 fibre glass, nylon 150x22 10200 a, z, c 40 - 400 fibre glass, nylon 180x22 8500 a, z, c 40 - 400 fibre glass, nylon
