Education

Mesh size vs microns

Mesh tells you how many wires intersect each linear inch — useful for ordering cloth but ambiguous for particle physics. Published micron equivalents summarize nominal openings based on wire diameter assumptions used by ASTM-style charts.

Quick reminders

• • Always cite the manufacturer chart referenced on your PO.
• • Alternate standards (ISO vs ASTM vs Tyler) diverge slightly near fine meshes.
• • Document environmental factors — humidity swells organics and shifts sieve results.