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  • Paint QC bench with drawdown panels, grind gauge, colorimeter, and gloss meter showing dispersion-related coating defects.
    9 May 2026

    When Paint Passes Color QC but Fails in Application

    Paint QC can approve a batch that still behaves badly on the substrate. [...]

    Feature Article

  • Powder wettability illustration showing poor wetting, trapped air, dry-core clumping, and controlled dispersion in liquid.
    9 May 2026

    Powder Wettability: Why Powders Float, Clump, or Disperse

    Powder wettability controls the first contact between powder and liquid. When liquid [...]

    Insights

  • Particle size distribution interpretation graphic showing D10, D50, D90, fines, oversize, span, and curve shape in a powder PSD curve.
    2 May 2026

    Particle Size Distribution Interpretation: Reading D10, D50, D90, Fines, and Oversize in Process Context

    Particle size distribution interpretation has the most value when the curve explains [...]

    Know How

  • Sieve blinding in powder screening showing near-size wedging, fine-particle coating, agglomeration, and bed overload on a vibrating sieve.
    2 May 2026

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

    Sieve blinding does more than reduce screening capacity. It changes the [...]

    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.

  • 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

  • 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

  • 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

  • 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

Insights

Focused technical interpretation

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

  • 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

  • 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

  • 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

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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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.

  • Powder flow behavior in animal feed formulations and segregation
    26 July 2025

    Powder Flow Behavior in Multi-Nutrient Animal Feed

    Even small changes in powder flow behavior in animal feed formulations can [...]

    Feature Article

  • Robotic powder handling system dispensing fine powder into a beaker with real-time flow control
    19 July 2025

    Robots Can Now Weigh Powders Reliably—Thanks to Flowability-Informed Control

    Machine learning now allows robots to adjust dosing motions based on real-time [...]

    Insights

  • Photorealistic image showing a powder sample undergoing high-speed mixing or compression testing, with visible instrumentation capturing thermal or mechanical responses.
    19 July 2025

    Energetic States and Chemical Dynamics in Powder Systems

    Energetic states in powder systems depend on more than material composition. Internal [...]

    Feature Article

  • AI-based in-line particle size monitoring system with stainless steel probe analyzing powder flow in a continuous milling line.
    13 July 2025

    AI-Assisted In-Line Particle Size Monitoring: What the Evidence Supports

    AI-assisted direct imaging can turn difficult process images into usable particle-size information [...]

    Insights

  • Visual warning graphic illustrating the global risk to powder safety from eliminating the Chemical Safety Board.
    12 July 2025

    The Elimination of the Chemical Safety Board: A Global Blow for Safety

    Defunding the U.S. Chemical Safety Board (CSB) strips away a vital layer [...]

    Feature Article

  • Compressed powder tablet showing edge cracks, illustrating powder deformation behavior under pressure
    6 July 2025

    Powders Under Pressure: Why Deformation Behavior Matters

    powder deformation behavior under pressure in different ways. Understanding their behavior improves [...]

    Insights

  • Photorealistic powder bed visualizing quantum thinking in powder technology through mixed flow and cohesive behaviors.
    6 July 2025

    Quantum Thinking in Powder Technology: Embracing Uncertainty for Better Process Design

    Quantum thinking in powder technology isn’t about physics. It’s a mindset shift. [...]

    Feature Article

  • Close-up photo of a segregated powder heap showing fine particles on top and coarse granules around the base, illustrating particle size separation.
    5 July 2025

    Segregation Mechanisms and Prevention in Blending and Transport

    Segregation ruins powder blends after mixing. This article breaks down the five [...]

    Know How

  • Close-up of a sealed industrial powder drum showing internal condensation, symbolizing moisture-driven powder degradation during storage.
    29 June 2025

    The Slow Collapse of “Stable” Powders: powder aging and degradation

    Powders degrade quietly. Over time, even stable materials shift in chemistry, structure, [...]

    Insights

  • Close-up of a stainless steel shear cell testing setup in a laboratory, filled with powder, during flowability testing.
    28 June 2025

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

    Shear cell testing is the most effective method for predicting and controlling [...]

    Feature Article

  • Powder discharging from a hopper, showing uneven flow due to prior handling and compaction
    22 June 2025

    Powder Memory: How Processing History Affects Behavior

    Powder memory explains why a powder’s behavior can change over time. Past [...]

    Insights

  • Photorealistic image of industrial spray drying equipment with powder being collected in a stainless steel container
    21 June 2025

    Modern Spray Drying: Methods and Limitations

    Spray drying technology transforms liquids into powders with high precision and control. [...]

    Feature Article

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