Reference Mesh Micron Conversion Chart. 200-mesh would mean that all particles smaller than 200-mesh would pass through. 200 mesh means that all 60 .0098 250 fine sand 100 .0059 150 - 200 .0029 74 portland cement 325 .0017 44 silt 400 .0015 37 plant pollen (1200) .0005 12 the mesh,diy rug idea how to make a rug from scratch (large,make a diy rug from …