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粒度 Grit No. | 基本尺寸 Basic Grain (μm) | 化學(xué)成分(Chemical Component) | ||
總B(%) Total B | 總C(%) Total C | 純度(%) Content B4C | ||
60# | 250 | 77-79 | 17-21.5 | 95-98 |
70# | 212 | |||
80# | 180 | |||
90# | 150 | |||
100# | 150 | |||
120# | 106 | |||
150# | 90-75 | |||
180# | 75-63 | 76-79 | 95-97 | |
220# | 63-53 | |||
F230 | 63-53 | |||
F240 | 63-50 | |||
F280 | 50-40 | |||
F320 | 40-28 | |||
F360 | 28-20 | |||
F400 | 20-14 | 75-78 | 97-95 | |
F500 | 14-10 | |||
F600 | 10-7 | |||
F800 | 7-5 | 74-78 | 91-94 | |
F1000 | 5-3.5 | |||
F1200 | 3.5-2.5 | |||
60#-150# | 250-75 | 76-80 | 93-97 | |
46#-120# | 380-60 | |||
-100mesh | <150 | |||
-140mesh | <100 | |||
-200mesh | <75 | |||
-325mesh | <44 | |||
-25μm | <25 | |||
-10μm | <10 | |||
-2μm | <1.5 | 75-79 | 92-97 |