1 micron--------12500 mesh
1.3 micron--------8000 mesh
2 micron--------6250 mesh
2.6 micron--------5000mesh
5 micron--------2500mesh
6.5 micron--------2000mesh
10 micron--------1250 mesh
15 micron--------800 mesh
20 micron--------625 mesh
33 micron--------425 mesh
37 micron--------400 mesh
44 micron--------325 mesh
74 micron--------200mesh
149 micron--------100mesh
350 micron--------45 mesh