ASTM E11 sieve chart context

ASTM International publishes verification tolerances for US test sieves — our tables summarize nominal openings only.

Reference ASTM E11 directly when specifying acceptance testing. Nominal micron columns here accelerate RFQ drafting but never replace stamped certifications inside regulated industries.

FAQ

Is this an official ASTM publication?
No — MeshToMicron.org summarizes commonly cited openings for educational use.
Where do I buy compliant sieves?
Use accredited suppliers who ship serialized certificates per ASTM procedures.
Compare ISO?
Jump to the ISO sieve chart companion article.

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