Pharma granules size

Size of granules after sifting the material using sieves size. such as 10#,20#,30#,60# ect.

Granule size is required according to the drug formulation.

How to decide mesh size.

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mesh size is decided on the following factors
Tab wt
for smal wt tab small size granules are require to easily fill die cavity.
for large size tab size is large(except)dissolluton problem.
If Dissolution problem size should be small.