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CBN微粉现行质量标准 根据《中华人民共和国机械行业标准》制定
粒度标记 | 粗粒最大尺寸 | 细粒最小尺寸 | 相对目数 |
M0/0.5 | 0.7 | - | 30000 |
M0/1 | 1.4 | - | 25000 |
M0.5/1 | 1.4 | 0 | 20000 |
M0.5/1.5 | 1.9 | 0 | 15000 |
M0/2 | 2.5 | - | 8000 |
M1/2 | 2.5 | 0.5 | 8000 |
M1.5/3 | 3.8 | 1 | 5000 |
M2/4 | 5.0 | 1 | 4000 |
M2.5/5 | 6.3 | 1.5 | 3000 |
M3/6 | 7.5 | 2 | 2500 |
M4/8 | 10.0 | 2.5 | 2000 |
M5/10 | 11.0 | 3 | 1500 |
M6/12 | 13.2 | 3.5 | 1200 |
M8/12 | 13.2 | 4 | 1000 |
M8/16 | 17.6 | 4 | 900 |
M10/20 | 22.0 | 6 | 800 |
M12/22 | 24.2 | 7 | 700 |
M20/30 | 33.0 | 10 | 600 |
M22/36 | 39.6 | 12 | 500 |
M36/54 | 56.7 | 15 | 400 |