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  • Technical diagram of vibration as a flow aid showing hopper discharge, compaction, segregation risk, and feeder stability.
    20 June 2026

    Vibration as a Flow Aid: When It Helps Powder Flow

    Vibration can improve powder discharge when it breaks a weak arch or [...]

    Insights

  • Calcium carbonate powder bridging inside a transparent feeder hopper on a polypropylene compounding line.
    13 June 2026

    Calcium Carbonate Powder in Polypropylene: Dust Suppression and Dosing Errors

    Dust suppression oil can reduce airborne calcium carbonate dust, but it may [...]

    Feature Article

  • Powder residence time diagram showing how an early sample can differ from the powder state at the failure point
    13 June 2026

    Powder Residence Time Can Make the Test Result Miss the Failure

    Powder residence time matters because the sample and the failure often describe [...]

    Insights

  • Technical illustration comparing stable hopper discharge at adequate fill level with unstable powder flow, arching risk, and pulsing at low fill level.
    6 June 2026

    Why Hopper Fill Level Changes Powder Discharge

    Do not diagnose a feeder as if the hopper sends it one [...]

    Insights

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Choose the powder behaviour, material property, process, or measurement behind the question. Each subject opens the corresponding PTI publication category, bringing related technical publications together in one place. Industries are intentionally omitted because PTI already provides dedicated industry pages.

Flow & bulk behaviour

FlowabilitySegregationDustinessCakingElectrostatic EffectsMoisture SensitivityShearCohesionPermeabilityPacking Density

Particle & surface behaviour

AgglomerationAttritionAbrasionWearAdhesionSurface EnergyDispersionRheologyPorosityThermal PropertiesParticle Size Distribution

Processing & handling

Mixing TechnologyHoppersConveyingCompactionCoatingSilo StorageEncapsulation TechniquesSpray DryingMilling

Characterization & analysis

Bulk Solids CharacterizationParticle Size TestingAnalytical Techniques and MethodsChemical Composition AnalysisMicroscopy

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Choose the depth and type of content

Feature Articles, Insights, and Know How are editorial formats within PTI publications. They are not separate technical destinations.

Feature Articles

Long-form technical analysis built around a defined engineering question, comparison, mechanism, process, or application.

Insights

Focused interpretation of a study, method comparison, process result, standard, or emerging technical development.

Know How

Practical technical guides that go deeper into measurement, interpretation, equipment, and powder-behavior decisions.

Feature Articles

Long-form technical analysis

Recent Feature Articles examine a defined engineering question in greater depth, connecting mechanisms, measurements, process context, and interpretation where the subject requires it.

  • Technician uses a riffle splitter to divide silicon anode powder into labelled sample jars on a lab bench.
    24 January 2026

    Silicon Anode Powder: The Manufacturing Bottleneck Behind Next Gen Battery Gains

    Silicon anode powder fails in production for predictable reasons. Particle morphology, oxide [...]

    Feature Article

  • Sulfide solid electrolytes handled in a sealed dry room powder transfer with dew point monitoring
    17 January 2026

    Sulfide Solid Electrolytes: The Powder Barrier to Solid State Batteries

    Sulfide solid electrolytes promise fast ion transport and strong stack contact. Yet [...]

    Feature Article

  • Powder percolation threshold measurement setup with probe station, conductive trace, and connected LCR meter in a lab.
    10 January 2026

    Powder Percolation Threshold and Conductive Networks in Composite Feedstocks

    The powder percolation threshold is the point where conductive particles form a [...]

    Feature Article

  • Core-shell and coated powders on a lab bench in sample vials, prepared for surface analysis and sintering studies.
    3 January 2026

    Core-Shell and Coated Powders for Controlled Interparticle Chemistry

    Core-shell and coated powders let you engineer surface chemistry, improve handling stability, [...]

    Feature Article

Insights

Focused technical interpretation

Recent Insights examine a study, method, process result, standard, or emerging technical development in a tighter editorial format.

  • Illustration showing water activity in powders versus moisture content, with internal water inside particles and surface water forming liquid bridges at particle contacts.
    24 January 2026

    Water Activity in Powders: Why Moisture Content Misleads in line drifts during production

    Water activity in powders predicts caking, sticking, and flow loss better than moisture [...]

    Insights

  • Clipboard showing a t0 vs t24 powder strength table next to a shear tester and stacked bags, used to separate caking from compaction.
    17 January 2026

    Powder Caking vs Compaction Test: That Tells You Which Problem You Have

    Powder caking vs compaction can look identical in production. However, they need [...]

    Insights

  • Powder data lineage infographic showing a QR coded checklist linking provenance, processing, exposure, and release decisions.
    10 January 2026

    Powder data lineage is now a quality lever, not an admin task

    Powder data lineage is becoming a hard requirement in EU battery and [...]

    Insights

  • Gloved hand placing a labeled powder sample vial beside a pressure titration chart for laser diffraction PSD.
    5 January 2026

    Laser Diffraction Troubleshooting: Pressure Titration for Reliable PSD

    Laser diffraction troubleshooting often points at the powder, not the method. A [...]

    Insights

Know How

Practical technical guidance

Recent Know How publications focus on practical measurement, method selection, interpretation, equipment, and technically useful working guidance.

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All Publications

The complete PTI publication catalogue

Browse all published PTI content, newest first. Use the subject index above when you know the technical topic, or the structured PTI hubs when you want a guided route through a problem, property, measurement, process area, or industry.

  • Flowing powder in a stainless vessel forming an S shape, illustrating the powder plateau S-phrase
    8 November 2025

    Powder Plateau S Curve: How to Win When Physics Limits You

    The powder plateau S-curve explains why progress is incremental and why expectations [...]

    Feature Article

  • Powder quality fingerprint lab setup with sieve stack, tap density cylinder, Faraday cup, microscope, and powder jar on a clean bench.
    8 November 2025

    Build a Powder Quality “Fingerprint” in 7 Days

    You can prevent most production surprises by tracking six simple powder markers. [...]

    Insights

  • Technician preparing a representative powder sample in a clean lab environment
    1 November 2025

    Representative Powder Sampling a practical guide and overview

    Representative powder sampling starts at the process, not in the lab. Always [...]

    Know How

  • Caked white powder with fresh granules pouring from a metal chute in a dark lab setting.
    1 November 2025

    Powder Caking Prevention: Causes, Testing Methods, and Proven Fixes

    Powder caking can be predicted and, in most cases, prevented. It follows [...]

    Feature Article

  • Angle of repose and flowability: infographic comparing a poured cone with ring shear, wall friction, and timed discharge tests.
    1 November 2025

    Angle of Repose Is Not a Flowability Test

    The angle of repose and flowability are related, not equal. Use the [...]

    Insights

  • Close view of mixed industrial powder with visible size contrast, suggesting flow and segregation behavior
    25 October 2025

    The Dictators of Powder Behavior: A practical guide to powder behavior control in production

    Powder behavior control starts with fifteen core factors. Tune particle size, shape, [...]

    Feature Article

  • Photorealistic laboratory setup illustrating dew point vs water activity in powder processing, showing a powder sample in a steel dish with a hygrometer measuring humidity and temperature.
    25 October 2025

    Dew Point vs Water Activity in Powder Processing

    For powders, dew point vs water activity defines control. Dew point governs [...]

    Insights

  • Loss-in-weight feeder with anti-static hoses and RH display, used to link settings to charge decay time.
    18 October 2025

    Charge Decay Time: A Fast Predictor of Powder Handling Risk

    Charge decay time turns electrostatics into a practical control knob. Measure it [...]

    Insights

  • PFAS PTFE powder manufacturing cleanroom line with enclosed mixer, coater, and calendaring stack, QA monitor visible.
    18 October 2025

    PFAS vs PTFE in 2025: What’s Really Changing for Powder-Based Manufacturing

    PFAS PTFE powder manufacturing industries will face policy tightening across Europe. PTFE’s [...]

    Feature Article

  • Operator inspecting a stainless-steel process line to minimize changeover losses in continuous powder lines.
    11 October 2025

    Changeover Losses in Continuous Powder Lines: 5 Fast Wins to Boost Efficiency

    Changeovers can quietly waste hours and tons of product in continuous powder [...]

    Insights

  • Concept image of liposomes and lipid nanoparticles in a cosmetic cream under lab light.
    11 October 2025

    Nanotechnology in Cosmetics: Efficacy, Safety, and Regulation

    Nanotechnology in cosmetics improves stability, delivery, and skin performance while raising safety [...]

    Feature Article

  • Macro view of laser-assisted bioprinting: a clean ligament ejects a micrometer droplet onto a glass substrate patterned with droplets.
    5 October 2025

    Case Study: Powder Technology Principles in Laser-Assisted Bioprinting

    Table of contents Executive Summary laser-assisted bioprinting powder [...]

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