美  国  必  宝  油  石  价  格  表
颜色               A              S-9                红            色            A        O          白            色
编号
尺寸       150#180#220#    320#400#     500#600#       150#220#       320#400#       600#
1/16*1/4          16.8                 18.8             26.1                   16.1               18.2              21.8
1/16*1/2          17.3                 19.3             23.1                   17.2               19.4              21.8
1/8*1/8            17.3                 19.3             26                      17.2               19.4              21.8
1/8*1/4            16.3                 17.4             21.2                   16.2               17.4              20.2
1/8*1/2            18.2                 19.3             23.9                   18.1               19.4              23.5
1/4*1/4            16.3                 17.5             21.2                   16.8               17.5              20.2
1/4*1/2            21.4                 22.7             29.4                   20.7               22.6              27.3
1/4ROUND       31.5                 41.8             49                      31.5               36.5              47.7
3/8ROUND       38.4                 43.7             50.2                   37.2               41.3              48.4