24 Mesh - 711 Microns *30 Mesh -533 Microns 40 Mesh - 381 Microns *60 Mesh - 254 Microns *100 Mesh - 152 Microns *140 Mesh - 104 Microns 250 Mesh - 61 Microns 500 Mesh - 30 Microns 1000 Mesh - 15 Microns | .028 inches .021 inches .015 inches .010 inches .006 inches .004 inches .0024 inches .0012 inches .0006 inches |