Application Grade no. Micron range (US-Standard) Mesh size Polishing ¼ 0 – ½ 60.000 ½ 0 - 1 25.000 1 0 - 2 10.000 2 1 – 3 9.000 3 2 – 4 8.500 4 2 – 6 6.000 6 4 – 8 3.000 Lapping 9 6 – 12 1.800 12 8 – 15 1.500 15 10 – 20 1.200 17 15 – 20 1.100 20 15 – 25 1.000 25 20 – 30 880 30 22 – 36 600 35 30 – 40 500 45 36 – 54 450 Grinding 400 35 / 45 325 / 400 320 45 / 53 270 / 325 240 53 / 63 230 / 270 220 63 / 75 200 / 230 180 75 / 90 170 / 200 150 90 / 106 140 / 170 120 106 / 125 120 / 140 110 125 / 150 100 / 120 105 150 / 180 80 / 100 100 180 / 250 60 / 80 60 250 / 300 50 / 60 46 300 / 425 40 / 50     <<< back to product overview