砂纸目数和表面粗糙度对照表_surface_finish_chart.pdf

- 60 63 1.6 6.3 N7 100 - 120 #3 52 58 120 #mercial #4 40 - 60 typ. 150 #4 3A Sanitary Finish 42 Max. 42 - 47 46 Max. 30 - 35 ANSI #4 Sanitary 32 0.8 126 3.2 N6 180 #4 30 Max. 15 - 20 34 25 Max. Buff #100 20 - 30 200 - 220 #4S Biothech Finish 25 Max. 20 - 25 240 #6 15 - 20 10 - 15 17 8 - 20 16 0.4 63 1.6 17 Max. N5 6 - 15 320 #7 12 Max. 8 - 12 12 0.3 42 1.5 13 - 14 Buff #200 8 0.2 31 0.8 8 N4 Buff #300 400 #8 Mirror Finish 4 - 8 500 #8 Supermirror Finish < 4 3 - 8 500 #8 Supermirror Finish 4 0.1 16 0.4 4 - 10 N3 Buff #400 2 0.06 8 0.2 N2 1 0.025 4 0.1 N1 ↑ Common USA name. ASTM A480. SURFACE FINISH CROSS REFERENCE CHART 表面抛光对照表