What mesh size vibratory screen for salt?

Short answer:
For most salt screening applications, 20 mesh to 40 mesh is commonly used to remove oversized material and foreign contaminants. Fine table salt may require 40–60 mesh, while coarse or industrial salt may use 10–20 mesh. The correct mesh size depends on salt grade, moisture exposure, and production requirements.

How mesh size works in salt screening

Mesh size represents the number of openings per linear inch. Lower mesh numbers allow larger particles to pass and are commonly used for coarse salt. Higher mesh numbers create finer separation for table salt or specialty grades.

Vibratory screens in salt processing remove oversize crystals, foreign debris, and agglomerates before packaging or blending.

Typical mesh size ranges for salt

• 10–20 mesh: Coarse and industrial salt.
• 20–40 mesh: Standard table salt.
• 40–60 mesh: Fine salt grading.

Factors affecting mesh selection

Salt crystal size

Different grades vary significantly in crystal dimensions.

Moisture and caking

Salt can absorb moisture, leading to clumping and screen blinding.

Throughput needs

Coarser meshes increase capacity; finer meshes improve separation precision.

Practical decision rules

• If screening coarse salt, use 10–20 mesh.
• If processing table salt, use 20–40 mesh.
• If fine salt grading is required, consider 40–60 mesh.

Frequently asked questions

What mesh size is used for table salt?
Most table salt screening uses 20–40 mesh.

Can salt blind screens?
Yes. Moisture and caking can increase blinding risk, especially with finer mesh sizes.

Is stainless steel required for salt screening?
In many cases, corrosion-resistant materials such as stainless steel are recommended due to salt’s corrosive properties.

Bottom line

Most salt applications use 20–40 mesh for table salt and 10–20 mesh for coarse grades. Final selection depends on crystal size, moisture exposure, and plant conditions.