Glossary
Glossary
Mesh size
The number of openings per inch in a sieve. Higher mesh means a finer sieve.
Mesh sizes are an older but still common way to describe how fine a powder is. A 200 mesh sieve has openings of 75 µm and a 325 mesh sieve has openings of 45 µm.
API 13A, for example, limits the residue of drilling-grade barite on a 75 µm sieve. Our mesh to micron table lists the common conversions.
Related terms
Read more
Questions about barite for your application?
Contact us