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Standard of international | Mesh | Polishing effect | Standard of international | Mesh | Polishing effect |
0-0.25 | 60000 | Super mirror polishing | 5-10 | 2000 | Normal polishing |
0-0.5 | 30000 | Mirror polishing | 6-12 | 1800 | |
0-1 | 15000 | Mirror polishing | 8-12 | 1600 | |
0-2 | 13000 | 7-14 | 1500 | ||
1-2 | 12000 | Fine polishing | 8-16 | 1300 | |
1-3 | 10000 | 10-20 | 1200 | ||
2-3 | 7000 | 12-22 | 1000 | ||
2-4- | 6500 | 15-25 | 800 | ||
2-4 | 6000 | 20-30 | 700 | ||
2-5 | 5000 | 22-36 | 600 | ||
3-6 | 4000 | 20-40 | 500 | Rough grinding | |
4-6 | 3500 | 30-40 | 450 | ||
4-8 | 3000 | Normal polishing | 35-45 | 400 | |
4-9 | 2500 | 36-54 |