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  Calcium Carbonate Powder in Polypropylene: Dust Suppression and Dosing Errors

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  Calcium Carbonate Powder in Polypropylene: Dust Suppression and Dosing Errors

  Bulk Solids Characterization, Feature Article, Flowability, Plastics and Polymers

Calcium Carbonate Powder in Polypropylene: Dust Suppression and Dosing Errors

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

By Stephane Sloots|2026-06-12T19:19:39+01:0013 June 2026|Categories: Bulk Solids Characterization, Feature Article, Flowability, Plastics and Polymers|Tags: angle of repose, bridging, Bulk density, calcium carbonate dosing, calcium carbonate powder, dust suppression oil, feeder accuracy, filler content variation, Hausner Ratio, loss-in-weight feeder, mineral filler, oil-treated calcium carbonate, plastics compounding, polypropylene compounding, powder cohesion, powder flowability, rat holing, screw feeder, stearic acid treatment, surface treatment|0 Comments

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  Powder Residence Time Can Make the Test Result Miss the Failure

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  Powder Residence Time Can Make the Test Result Miss the Failure

  Bulk Solids Characterization, Flowability, Hoppers, Insights

Powder Residence Time Can Make the Test Result Miss the Failure

Powder residence time matters because the sample and [...]

By Martijn Daalder|2026-06-11T18:03:06+01:0013 June 2026|Categories: Bulk Solids Characterization, Flowability, Hoppers, Insights|Tags: bulk density change, feeder instability, hopper residence time, moisture uptake, Powder consolidation, powder hold time, powder process consistency, powder residence time, powder segregation, powder testing, Powder troubleshooting, process diagnostics|0 Comments

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  Why Hopper Fill Level Changes Powder Discharge

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  Why Hopper Fill Level Changes Powder Discharge

  Conveying, Flowability, Hoppers, Insights

Why Hopper Fill Level Changes Powder Discharge

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

By Martijn Daalder|2026-06-06T13:34:45+01:006 June 2026|Categories: Conveying, Flowability, Hoppers, Insights|Tags: aerated bulk density, arching, Bulk density, deaeration, feeder instability, feeder pulsing, flowability, hopper discharge, hopper fill level, hopper flow, permeability, pneumatic conveying, powder compaction, powder discharge, powder flow, powder handling, ratholing, retained air, screw feeder, settled bulk density|0 Comments

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  Powder Deaeration: Flushing, Surging, and Air Retention

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  Powder Deaeration: Flushing, Surging, and Air Retention

  Bulk Solids Characterization, Conveying, Flowability, Know How, Permeability

Powder Deaeration: Flushing, Surging, and Air Retention

Powder instability after conveying, filling, or transfer [...]

By Martijn Daalder|2026-06-06T00:39:22+01:006 June 2026|Categories: Bulk Solids Characterization, Conveying, Flowability, Know How, Permeability|Tags: air retention, bulk density recovery, bulk solids handling, deaeration lag, dust release, feeder pulsing, fine powders, hopper discharge, loss-in-weight feeder, low permeability powders, pneumatic conveying, powder deaeration, powder flowability, powder flushing, powder handling, powder permeability, powder settling, powder surging, Powder troubleshooting, retained air in powders, unstable discharge|0 Comments

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  Real-Time Particle Characterization and Process Control

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  Real-Time Particle Characterization and Process Control

  AI, Analytical Techniques and Methods, Conveying, Feature Article, Flowability, Particle Size Testing

Real-Time Particle Characterization and Process Control

Real-time particle characterization is moving powder processing from [...]

By Stephane Sloots|2026-06-03T19:10:05+01:006 June 2026|Categories: AI, Analytical Techniques and Methods, Conveying, Feature Article, Flowability, Particle Size Testing|Tags: acoustic emission, AI in powder processing, closed-loop control, digital twins, hybrid modeling, hydrocyclone control, inline particle size measurement, inline powder sensors, particle size distribution, PAT, powder bed fusion, powder characterization, powder process control, powder quality control, process analytical technology, process monitoring, real-time particle characterization, sensor fusion, soft sensors, vibrating screen choking|0 Comments

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  Fine Powder Fluidization in Pneumatic Conveying and Discharge Control

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  Fine Powder Fluidization in Pneumatic Conveying and Discharge Control

  Conveying, Feature Article, Flowability, Particle Size Testing, Permeability, Segregation

Fine Powder Fluidization in Pneumatic Conveying and Discharge Control

Fine powder fluidization can support controlled pneumatic conveying, [...]

By Martijn Daalder|2026-05-29T18:24:26+01:0030 May 2026|Categories: Conveying, Feature Article, Flowability, Particle Size Testing, Permeability, Segregation|Tags: air entrainment, bulk density variation, cohesive powders, dense phase conveying, fine particles, fine powder fluidization, fluidization segregation, Geldart classification, Moisture Sensitivity, pneumatic conveying, powder deaeration, powder flowability, powder flushing, powder handling, powder permeability, powder segregation, powder testing, receiving hopper|0 Comments

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  Powder Operating Window: Why a Good Powder Fails in the Wrong Process

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  Powder Operating Window: Why a Good Powder Fails in the Wrong Process

  Bulk Solids Characterization, Flowability, Hoppers, Insights, Moisture Sensitivity, Permeability, Segregation

Powder Operating Window: Why a Good Powder Fails in the Wrong Process

A powder operating window defines the process [...]

By Martijn Daalder|2026-05-28T21:09:02+01:0030 May 2026|Categories: Bulk Solids Characterization, Flowability, Hoppers, Insights, Moisture Sensitivity, Permeability, Segregation|Tags: Bulk Solids, caking, dustiness testing, feeder performance, hopper bridging, hopper discharge, Moisture Sensitivity, powder behavior, powder characterization, powder flowability, powder handling, powder operating window, powder permeability, powder storage, powder testing, Powder troubleshooting, process conditions, ring shear tester, segregation, shear cell testing|0 Comments

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  Fines in Powder Behavior: Why Small Amounts Matter

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  Fines in Powder Behavior: Why Small Amounts Matter

  Dustiness, Flowability, Insights, Particle size distribution, Particle Size Testing, Permeability

Fines in Powder Behavior: Why Small Amounts Matter

Fines in powder behavior matter because fine particles [...]

By Martijn Daalder|2026-05-20T15:19:21+01:0023 May 2026|Categories: Dustiness, Flowability, Insights, Particle size distribution, Particle Size Testing, Permeability|Tags: air retention, D10, D50, dustiness, fine particles, fines in powder behavior, particle size analysis, particle size distribution, permeability, powder characterization, powder flow, powder handling, Powder Processing, powder testing, segregation, surface area|0 Comments

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  Metal Powder Feedstock Quality in Additive Manufacturing: From Particle Behavior to Part Performance

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  Metal Powder Feedstock Quality in Additive Manufacturing: From Particle Behavior to Part Performance

  3D printing, Analytical Techniques and Methods, Feature Article, Flowability, Metallurgy, Particle Size Testing

Metal Powder Feedstock Quality in Additive Manufacturing: From Particle Behavior to Part Performance

Metal powder feedstock quality has a direct effect [...]

By Stephane Sloots|2026-05-14T12:31:03+01:0016 May 2026|Categories: 3D printing, Analytical Techniques and Methods, Feature Article, Flowability, Metallurgy, Particle Size Testing|Tags: additive manufacturing powders, additive manufacturing QA, high entropy alloys, metal powder feedstock quality, metal powder reuse, particle size distribution, powder bed fusion, powder morphology, powder qualification, powder spreadability, refractory alloys, spherical metal powders|0 Comments

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  Sieve Blinding: Why Powder Screens Fail Before the Particle Size Spec Does and How to Solve it

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  Sieve Blinding: Why Powder Screens Fail Before the Particle Size Spec Does and How to Solve it

  Adhesion, Agglomaration, Bulk Solids Characterization, Flowability, Insights, Particle Size Testing

Sieve Blinding: Why Powder Screens Fail Before the Particle Size Spec Does and How to Solve it

Sieve blinding does more than reduce screening [...]

By Martijn Daalder|2026-05-03T13:44:44+01:002 May 2026|Categories: Adhesion, Agglomaration, Bulk Solids Characterization, Flowability, Insights, Particle Size Testing|Tags: bed overload, fine-particle coating, mesh blinding, near-size particles, particle shape, particle size analysis, powder adhesion, powder agglomeration, powder flowability, Powder Processing, powder screening, powder separation, screening efficiency, sieve blinding, vibrating sieve|0 Comments

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