SUBJECT

Bulk Solids Characterization

Publications on the measurement and interpretation of bulk powder properties relevant to flow, storage, handling, processing, and product performance.

PUBLICATIONS

Browse publications

Explore PTI articles, Insights, Know How, and technical publications related to this subject.

  • 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

  • Square hero showing a powder segregation test with two bottles filled via funnels, one fast and one slow, each cored for top-middle-bottom sampling.
    4 October 2025

    Powder Segregation Test: The 20 Minute Bottle Method

    Most blend failures start with segregation during transfer. Run a 20 minute [...]

    Insights

  • Square hero illustrating powder creep mechanisms: granular creep in a hopper and diffusion creep in a tensile frame.
    4 October 2025

    Powder and Granular Creep: Mechanisms, Testing, and Control

    Powder creep mechanisms occur in various ways; powders creep in bins. Sintered [...]

    Feature Article

  • Laboratory ring shear tester and FT4 powder rheometer measuring powder flow test methods.
    1 October 2025

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

    No single flow test defines powder behaviour completely. Each method measures different [...]

    Know How

  • Three Petri dishes with metal, ceramic, and polymer powders, plus a spatula pouring metallic powder, illustrating powder testing circular economy.
    27 September 2025

    Powder Technologies Within Circular Systems

    The relevance of powder testing for circular economy powder usage. Circular production [...]

    Feature Article

  • Square hero image illustrating hidden charge peaks in powder flows with localized hotspots.
    27 September 2025

    Hidden Charge Peaks in Powder Flows: Measure What is missed

    Do not accept a safe net charge as proof of safety. Find [...]

    Insights

  • AI-assisted material characterization: laser diffraction setup analyzes a powder stream with a camera and PSD histogram on a lab monitor.
    20 September 2025

    Material Characterization with AI-Assisted Analytics

    AI-assisted material characterization speeds testing, strengthens models, and improves inline control. Labs [...]

    Feature Article

  • Catalytic hot spots in powders shown by a lab setup with a Karl Fischer titrator, a weigh boat of powder, and a microbalance on a clean bench.
    20 September 2025

    Catalytic Hot Spots in Powders: Small Regions, Big Consequences

    Catalytic hot spots in powders often determine stability. Detect them early with [...]

    Insights

  • Deep-sea particle dynamics for powder engineering: marine snow with diatom chains sinking.
    13 September 2025

    Deep-Sea Particle Dynamics, Through a Powder Lens

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

    Feature Article

  • 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