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  • Powder flowability technical illustration comparing normal hopper discharge with arching and pulsing caused by poor venting and unstable flow.
    16 April 2026

    Powder Flowability: Factors and Measurement Techniques

    Powder flowability is not one fixed property. A powder can look free-flowing [...]

    Insights

  • Powder segregation diagnosis during hopper filling showing coarse and fine fractions separating in an industrial powder transfer process
    11 April 2026

    Powder Segregation Diagnosis During Mixing, Conveying, and Filling

    Powder segregation diagnosis starts by locating where the blend loses uniformity. Some [...]

    Feature Article

  • FIBC discharge problems technical illustration showing how the liner-spout interface can cause unstable discharge, dust release, and residual heel in a bulk bag emptying station.
    11 April 2026

    Why FIBC Discharge Problems Often Start at the Liner-Spout Interface

    FIBC discharge problems are often blamed on the powder being discharged too [...]

    Insights

  • Free-flowing powder arching at a stainless steel hopper outlet in an industrial plant, showing blocked discharge and powder buildup during troubleshooting
    4 April 2026

    Diagnosing and Solving Free-Flowing Powder Arching and Blockage in Hoppers

    Free-flowing powders can form stable arches and block hoppers because standard “free-flow” [...]

    Feature Article

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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.

  • Scientist applying slurry of lithium powders to foil electrode in lab, demonstrating lithium powders energy density research.
    6 September 2025

    Atomic Fundamentals and the Density–Energy Link

    Lithium’s atomic-scale behavior drives energy density in batteries. Powders are not passive [...]

    Feature Article

  • Ancient powder technologies illustrated by a Tang dynasty alchemist grinding early gunpowder ingredients.
    30 August 2025

    Ancient Powder Technologies: Metallurgy, Pigments, and Gunpowder Before Western Reinvention

    Ancient civilizations mastered powder processing long before modern science. What we call [...]

    Feature Article

  • Hard carbon powder for sodium-ion battery use, shown in dry-room conditions with stable structure.
    23 August 2025

    Hard Carbon in Sodium-Ion Batteries: Moisture Control, Powder QA, and Line Readiness

    Hard carbon sodium-ion batteries are a match made in heaven. When moisture [...]

    Feature Article

  • Black Mass Powder Handling storage facility
    16 August 2025

    Black Mass Powder Handling: NFPA 660, 2025 Safety Regulations

    Black mass is fine, conductive, and often cohesive. It brings fire, explosion, [...]

    Feature Article

Insights

Focused technical interpretation

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

  • Close-up macro view showing moisture droplets condensing on fine powder particles, illustrating moisture risk in powder formulations.
    13 September 2025

    Moisture as a Formulation Risk: Beyond Standard Hygroscopicity Testing

    Moisture risk in powder formulations extends beyond mass uptake. Water reshapes surfaces, [...]

    Insights

  • Cobalt exposure limits powder manufacturing worker in PPE with respirator, dusted with cobalt powder.
    6 September 2025

    Cobalt Exposure Limits in Powder Manufacturing: Five Steps to EU Compliance

    Cobalt exposure limits in powder manufacturing are tightening. Plants must act now [...]

    Insights

  • Flat-style infographic illustrating powder waste in manufacturing with a hopper, weighing scale, and financial loss symbols.
    30 August 2025

    The Real Cost of Powder Waste in Manufacturing: How small waste adds up

    Even a fraction of powder waste in manufacturing erodes yield, raises costs, [...]

    Insights

  • Dustiness test setup: scientist uses a continuous drop rig with CPC and ELPI, rotating drum visible
    23 August 2025

    Dustiness Tests Compared: EN 15051 Versus EN 17199-4

    Use EN 15051 for mass-based dustiness in health-related fractions. The rotating drum [...]

    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.

  • 17 May 2025

    Particle Size Distribution Matters

    A well-balanced particle size distribution ensures consistent bulk density and uniformity in final [...]

  • 17 May 2025

    Flowability Affects Compression

    Powder flowability directly impacts how well powders compress during tablet formation, influencing product [...]

  • 17 May 2025

    Particle Shape Impacts Blending

    The shape of powder particles significantly influences how well they blend. Irregular shapes [...]

  • 17 May 2025

    Porosity Affects Flowability

    Porosity plays a crucial role in how powders flow and pack. Higher porosity [...]

  • Powder dispersion
    10 May 2025

    The Complete Guide to Powder Dispersion and Data Interpretation

    Powder dispersion is essential not only for accurate particle size measurement but [...]

    Feature Article

  • Bulk Density is not enough
    3 May 2025

    Bulk Density Alone Can Mislead Powder Analysis

    Bulk density is useful, but not enough. Always combine it with complementary [...]

    Insights

  • Porosity in Powders Ultimate Guide preview
    3 May 2025

    The Ultimate Guide to Porosity in Powders: Measurement, and Control

    Mastering porosity in powders is essential for controlling performance in applications like [...]

    Feature Article

  • improve powder flow
    26 April 2025

    Simple Tweaks to Improve Powder Flow Without Replacing Equipment

    You can significantly improve powder flow by making small, strategic adjustments—like tweaking [...]

    Insights

  • Agglomeration in Powder Technology
    26 April 2025

    The Ultimate Guide to Agglomeration in Powder Technology

    Agglomeration in powder technology transforms fine powders into larger, manageable structures, improving [...]

    Feature Article

  • Powder Hazards
    19 April 2025

    Powder Hazards: Safe Powder Storage and Handling Practices

    Understanding your powder’s physical and chemical behavior is essential to preventing accidents. [...]

    Insights

  • powder-based electronics
    12 April 2025

    The Future of Powder-Based Electronics: Enabling New Possibilities

    Powder-based electronics are moving swiftly from lab-scale experiments to industrial production, enabling [...]

    Insights

  • Ultimate guide to powder mixing and blending
    8 April 2025

    The Ultimate Guide to Powder Mixing and Blending

    This ultimate guide to powder mixing and blending helps you choose the right [...]

    Feature Article

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