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  Wall Friction Drift in Hoppers: Why Discharge Degrades Over Time

  Gallery

  Wall Friction Drift in Hoppers: Why Discharge Degrades Over Time

  Bulk Solids Characterization, Caking, Flowability, Hoppers, Insights, Moisture Sensitivity, Shear

Wall Friction Drift in Hoppers: Why Discharge Degrades Over Time

Many hopper issues are boundary-limited. Wall friction drifts [...]

By POWDERTECHNOLOGY.info|2026-01-31T12:16:32+00:0031 January 2026|Categories: Bulk Solids Characterization, Caking, Flowability, Hoppers, Insights, Moisture Sensitivity, Shear|Tags: fouling, funnel flow, hopper discharge, humidity control, liners, mass flow, ratholing, shear cell testing, silo flow, wall friction|0 Comments

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  Graphite Under the Tree

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  Graphite Under the Tree

  Editors pick, Feature Article, Flowability, Laboratory, Particle size distribution, Shear

Graphite Under the Tree

In the Holiday rush, winter humidity shifts and [...]

By POWDERTECHNOLOGY.info|2025-12-19T22:23:13+00:0020 December 2025|Categories: Editors pick, Feature Article, Flowability, Laboratory, Particle size distribution, Shear|Tags: carbon black, dynamic vapour sorption, graphite, Laser Diffraction, particle size distribution, powder flowability, powder rheometry, Quality Control, tap density, Titanium Dioxide, winter production|0 Comments

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  Angle of Repose Is Not a Flowability Test

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  Angle of Repose Is Not a Flowability Test

  Flowability, Insights, Shear

Angle of Repose Is Not a Flowability Test

The angle of repose and flowability are related, [...]

By Diego Ramos|2025-10-28T18:26:34+00:001 November 2025|Categories: Flowability, Insights, Shear|Tags: angle of repose, Bulk density, flowability, hopper design, powder handling, QA, ring shear, wall friction|0 Comments

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  Selecting and Comparing Powder Flow Test Methods (including PDF guides)

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  Selecting and Comparing Powder Flow Test Methods (including PDF guides)

  Bulk Solids Characterization, Compaction, Flowability, Hoppers, Know How, Rheology, Shear

Selecting and Comparing Powder Flow Test Methods (including PDF guides)

No single flow test defines powder behaviour completely. [...]

By John Porter|2025-10-01T10:55:06+01:001 October 2025|Categories: Bulk Solids Characterization, Compaction, Flowability, Hoppers, Know How, Rheology, Shear|Tags: angle of repose, Bulk Solids Characterization, dynamic flow testing, flowability testing, FT4 powder rheometer, hopper discharge, permeability testing, powder characterization, powder compaction, powder flow test methods, powder handling, powder rheology, ring shear testing, shear cell compaction, silo design|0 Comments

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  Deep-Sea Particle Dynamics, Through a Powder Lens

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  Deep-Sea Particle Dynamics, Through a Powder Lens

  Agglomaration, Bulk Solids Characterization, Feature Article, Plastics and Polymers, Sedimentation, Shear, Sustainability, Transport, Wear

Deep-Sea Particle Dynamics, Through a Powder Lens

vDeep-sea particle dynamics show powder engineering mechanics in [...]

By Stephane Sloots|2025-09-13T13:21:49+01:0013 September 2025|Categories: Agglomaration, Bulk Solids Characterization, Feature Article, Plastics and Polymers, Sedimentation, Shear, Sustainability, Transport, Wear|Tags: agglomeration, attrition, Bulk Solids Characterization, Case studies, conveying, Deep-Sea Mining, Density Contrast, dustiness, Environmental & Water, Erosion, flowability, FTIR, Imaging & Spectroscopy, microplastics, nanoplastics, particle shape, Plume Control, Pump Wear, Raman Spectroscopy, Sedimentation|0 Comments

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  Shear Cell Testing: The Key to Understanding and Controlling Powder Flow

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  Shear Cell Testing: The Key to Understanding and Controlling Powder Flow

  Bulk Solids Characterization, Feature Article, Flowability, Laboratory, Shear

Shear Cell Testing: The Key to Understanding and Controlling Powder Flow

Shear cell testing is the most effective method [...]

By Stephane Sloots|2025-07-09T11:10:26+01:0028 June 2025|Categories: Bulk Solids Characterization, Feature Article, Flowability, Laboratory, Shear|Tags: bulk solids handling, cohesion, flowability, Jenike shear cell, powder behavior, powder flow, powder flow testing, ring shear tester, shear cell testing, silo design, uniaxial testing|0 Comments

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  Selecting the Right Powder Mixer for your blend

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  Selecting the Right Powder Mixer for your blend

  Attrition, Bulk Solids Characterization, Caking, Editors pick, Know How, Mixing technology, powders, Shear

Selecting the Right Powder Mixer for your blend

There is no one-size-fits-all powder mixer—the right choice [...]

By Stephane Sloots|2025-07-09T11:11:40+01:006 April 2025|Categories: Attrition, Bulk Solids Characterization, Caking, Editors pick, Know How, Mixing technology, powders, Shear|Tags: ATEX compliant mixers, cohesive powders, gentle drum mixer, GMP equipment, high-shear mixer, industrial mixers, Know How Series, low-sheer mixer, mixer selection, mixing equipment, planetary mixer, ploughshare mixer, powder blending, powder flowability, powder mixers, powder mixing, Powder Processing, ribbon blender, ribbon mixer, tumble mixer|0 Comments

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  Powder Flowability: Factors and Measurement Techniques

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  Powder Flowability: Factors and Measurement Techniques

  Insights, Shear

Powder Flowability: Factors and Measurement Techniques

Powder flowability is a critical property in various industries [...]

By Stephane Sloots|2025-07-09T11:16:14+01:0015 September 2024|Categories: Insights, Shear|Tags: aeration, angle of repose, Bulk density, Carr's Index, flow measurement techniques, flow rate through an orifice, Hausner Ratio, industrial powder flow, moisture content, particle friction, particle shape, particle size, powder behavior, powder cohesion, powder flow factors, powder flow optimization, powder flowability, powder handling, powder interlocking, Powder Processing, powder testing, shear cell testing, surface roughness, tapped density, Van der Waals Forces|0 Comments

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  Exploring Viscosity in Powder Technology

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  Exploring Viscosity in Powder Technology

  Feature Article, Flowability, Rheology, Shear, Viscosity

Exploring Viscosity in Powder Technology

In the chemical industry, precision remains crucial. As [...]

By Stephane Sloots|2025-07-09T11:18:41+01:0019 January 2024|Categories: Feature Article, Flowability, Rheology, Shear, Viscosity|Tags: fluid dynamics, industrial efficiency, manufacturing processes, material flow, non-Newtonian fluids, operational efficiency, powder technology, rheological properties, shear stress, viscosity|0 Comments

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  Dispersion in Powder Processing and Lab Testing

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  Dispersion in Powder Processing and Lab Testing

  Chemical Industry, Cosmetics industry, Dispersion, Feature Article, Laboratory, Particle Size Testing, Pharmaceutical Industry, Shear, Viscosity

Dispersion in Powder Processing and Lab Testing

In this article we'll extensively cover Dispersion in [...]

By Stephane Sloots|2025-07-09T11:23:42+01:0011 November 2023|Categories: Chemical Industry, Cosmetics industry, Dispersion, Feature Article, Laboratory, Particle Size Testing, Pharmaceutical Industry, Shear, Viscosity|Tags: dispersion, high-shear mixing, laboratory testing, mechanical dispersion, particle size analysis, performance, Powder Processing, powder technology, rheology measurements, ultrasonic dispersion, uniformity, zeta potential measurement|0 Comments

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