sieve mesh 90 micron sieve mesh (#170 mesh) wire diameter - 0.064mm (0.0025") sieve opening size - 0.090mm (0.0035")

sieve mesh

75 micron sieve mesh (#200 mesh)    wire diameter  - 0.053mm (0.0020")  sieve opening size - 0.075mm (0.0029")

sieve mesh