中国标准 | **标准JIS R6001-1998 | 美国标准ANSI B74.12-1992 | 欧洲磨料生产者协会标准FEPA 42GB-1984 德国标准DIN 69101-1985 | |||||||||
GB/T2481.2-1998 | GB/T9258.1-2000 | 粒度 | d50(µ m) | 粒度 | d50(µ m) | 粒度 | d50(µ m) | |||||
粒度 | d50 (µ m) | 粒度 | d50 (µ m) | Sedimentation tube menthod | Electric resisance method | Sedimentation tube menthod | Standard Werte der Mlkro-Frelhe | Sedigraph 5000D | ||||
P240 | 58.5±2.0 | 240 | 60.0±4.0 | 57.0±3.0 | ||||||||
P280 | 52.2±2.0 | 280 | 52.0±3.0 | 48.0±3.0 | ||||||||
F230 | 53.0±3.0 | P320 | 46.2±1.5 | 320 | 46.0±2.5 | 40.0±2.5 | 240 | 53.5-50 | F230 | 53.0±3.0 | 50.0±3.0 | |
F240 | 44.5±2.0 | P360 | 40.5±1.5 | 360 | 40.0±2.0 | 35.0±2.0 | F240 | 44.5±2.0 | 42.0±2.0 | |||
P400 | 35.0±1.5 | 400 | 34.0±2.0 | 30.0±2.0 | 280 | 44-40.5 | ||||||
F280 | 36.5±1.5 | P500 | 30.2±1.5 | 500 | 28.0±2.0 | 25.0±2.0 | 320 | 36-32.5 | F280 | 36.5±1.5 | 34.5±1.5 | |
F320 | 29.2±1.5 | P600 | 25.8±1.0 | 600 | 24.0±1.5 | 20.0±1.5 | 360 | 28.8-25.8 | F320 | 29.2±1.5 | 27.7±1.5 | |
F360 | 22.8±1.5 | P800 | 21.8±1.0 | 700 | 21.0±1.3 | 17.0±1.3 | 400 | 23.6-20.6 | F360 | 22.8±1.5 | 21.6±1.5 | |
F400 | 17.3±1.0 | P1000 | 18.3±1.0 | 800 | 18.0±1.0 | 14.0±1.0 | 500 | 19.7-16.7 | F400 | 17.3±1.0 | 16.5±1.0 | |
F500 | 12.8±1.0 | P1200 | 15.3±1.0 | 1000 | 15.5±1.0 | 11.5±1.0 | 600 | 16-13 | F500 | 12.8±1.0 | 12.3±1.0 | |
P1500 | 12.6±1.0 | 1200 | 13.0±1.0 | 9.5±0.8 | ||||||||
F600 | 9.3±1.0 | P2000 | 10.3±0.8 | 1500 | 10.5±1.0 | 8.0±0.6 | 800 | 12.3-9.8 | F600 | 9.3±1.0 | 9.0±1.0 | |
P2500 | 8.4±0.5 | 2000 | 8.5±0.7 | 6.7±0.6 | 1000 | 9.3-6.8 | ||||||
F800 | 6.5±1.0 | 2500 | 7.0±0.7 | 5.5±0.5 | F800 | 6.5±1.0 | 6.3±1.0 | |||||
F1000 | 4.5±0.8 | 3000 | 5.7±0.5 | 4.0±0.5 | 1200 | 6.5-4.5 | F1000 | 4.5±0.8 | 4.5±0.8 | |||
F1200 | 3.0±0.5 | 4000 | 3.0±0.4 | F1200 | 3.0±0.5 | 3.1±0.5 | ||||||
6000 | 2.0±0.4 | |||||||||||
8000 | 1.2±0.3 | |||||||||||
