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Standard Screen Comparison Table
 
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                        Standard Screen Comparison Table  

国际标准ISO                      美国筛制                                中国药典筛标准
筛孔直径(mm)   美式筛名   筛孔直径(mm)   经线直径(mm)       中式筛名
 11.200mm       7/16in     11.200              2.450  
   8.000mm       5/16in       8.000              2.070  
   5.600mm       No.3.5       5.600              1.870  
   4.750mm       No.4.0       4.760              1.540  
   4.000mm       No.5.0       4.000              1.370  
   3.350mm       No.6.0       3.360              1.230  
   2.800mm       No.7.0       2.830              1.100  
   2.380mm       No.8.0       2.380              1.000  
   2.000mm       No.10        2.000              0.900               一号筛
   1.400mm       No.14        1.410              0.725  
   1.000mm       No.18        1.000              0.580  
       841μm       No.20        0.841              0.510               二号筛
       700μm       No.25        0.707              0.450  
       595μm       No.30        0.595              0.390  
       500μm       No.35        0.500              0.340  
       425μm       No.40        0.420              0.290  
       355μm       No.45        0.354              0.247               三号筛
       300μm       No.50        0.297              0.215  
       250μm       No.60        0.250              0.180               四号筛
       210μm       No.70        0.210              0.152 
       180μm       No.80        0.177              0.131               五号筛
    (154μm)          空白           空白                 空白               六号筛
       150μm       No.100      0.149              0.110               七号筛
       125μm       No.120      0.125              0.091  
       106μm       No.140      0.105              0.076  
    (100μm)          空白           空白                  空白               八号筛
         90μm       No.170      0.088              0.064  
         75μm       No.200      0.074              0.053  
      (71μm)          空白           空白                 空白                九号筛
         63μm       No.230      0.063              0.044  
         53μm       No.270      0.053              0.037  
         44μm       No.325      0.044              0.030  
         37μm       No.400      0.037              0.025