Sieve size 目安ct mm
+00 -0 1/200 0.005 0.95 1.05
+0 -1.0 1/175 0.006 1.05 1.10
+1.0 -1.5 1/150 0.007 1.10 1.15
+1.5 -2.0 1/120 0.008 1.15 1.20
+2.0 -2.5 1/100 0.009 1.20 1.25
+2.5 -3.0 0.010 1.30 1.35
+3.0 -3.5 1/90 0.011 1.35 1.40
+3.5 -4.0 1/80 0.012 1.40 1.45
+4.0 -4.5 1/70 0.013 1.45 1.50
+4.5 -5.0 0.014 1.50 1.55
+5.0 -5.5 1/60 0.016 1.55 1.60
+5.5 -6.0 1/50 0.018 1.60 1.69
+6.0 -6.5 0.021 1.70 1.79
+6.5 -7.0 1/40 0.025 1.80 1.90
+7.0 -7.5 1/30 0.029 1.90 2.00
+7.5 -8.0 0.035 2.00 2.10
+8.0 -8.5 1/25 0.039 2.10 2.20
+8.5 -9.0 0.044 2.20 2.30
+9.0 -9.5 1/20 0.052 2.30 2.40
+9.5 -10.0 0.058 2.40 2.50
+10.0 -10.5 1/15 0.069 2.50 2.60
+10.5 -11.0 0.074 2.60 2.70
+11.0 -11.5 1/12 0.078 2.70 2.80
+11.5 -12.0 0.086 2.80 2.90
+12.0 -12.5 1/10 0.095 2.90 3.00
+12.5 -13.0 0.108 3.00 3.10
+13.0 -13.5 1/8 0.116 3.10 3.20
+13.5 -14.0 0.125 3.20 3.30
+14.0 -14.5 1/7 0.135 3.30 3.40
+14.5 -15.0 0.146 3.40 3.50
+15.0 -15.5 1/6 0.159 3.50 3.60
+15.5 -16.0 0.175 3.60 3.70
+16.0 -17.0 1/5 0.200 3.70 3.80
+17.0 -18.0 0.235 3.90 4.00