产品规格：
号数.............目（C.S.MESH).......mm
0..................320以下............0.042以下
1..................250-280..........0.053-0.063
2..................180-250..........0.063-0.075
3..................150-180..........0.085-0.105
4..................120-150..........0.105-0.125
5..................100-120..........0.125-0.150
6...................80-100...........0.150-0.180
7....................60-80............0.180-0.250
8....................50-60............0.250-0.300
9....................30-40............0.400-0.500
10..................20-30............0.600-0.800
化学性能：
耐酸性在20%HCI溶液中煮沸四小时失重0.005mg/cm2
耐碱性在1%NaOH溶液中煮沸四小时失重0.3mg/cm2
