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Screw Feeder Dosing Accuracy and Powder Compressibility: Why the Same Screw Behaves Differently on Similar Products

The same screw feeder at the same speed can deliver consistently on one powder and drift by several percent on another. The difference lies in compressibility, wall friction, and cohesion, and in how bulk density shifts as the hopper empties.

By |2026-07-04T11:38:23+01:004 July 2026|Categories: Bulk Solids Characterization, Flowability, Hoppers, Insights, Mixing technology|Tags: , , , , , , , , , , , |0 Comments
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Calcium Carbonate Powder in Polypropylene: Dust Suppression and Dosing Errors

Dust suppression oil can reduce airborne calcium carbonate [...]

By |2026-06-27T14:42:11+01:0013 June 2026|Categories: Bulk Solids Characterization, Feature Article, Flowability, Plastics and Polymers|Tags: , , , , , , , , , , , , , , , , , , , |0 Comments
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Why Hopper Fill Level Changes Powder Discharge

Do not diagnose a feeder as if the [...]

By |2026-06-27T14:42:13+01:006 June 2026|Categories: Conveying, Flowability, Hoppers, Insights|Tags: , , , , , , , , , , , , , , , , , , , |0 Comments
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Loss in Weight Feeder Drift After Refill: The Refill Shock Mechanism and How to Diagnose It

Loss in weight feeder drift often starts at [...]

By |2026-06-27T14:42:32+01:007 March 2026|Categories: Bulk Solids Characterization, Flowability, Hoppers, Insights, Silo storage|Tags: , , , , , , , , , , , , , , |0 Comments
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