SUBJECT

Caking

Publications on powder caking, agglomerate formation, storage stability, humidity effects, and the conditions that cause powders to consolidate over time.

PUBLICATIONS

Browse publications

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

  • Fertilizer powder and granule handling at a bagging line showing dust extraction at the fill spout
    26 September 2026

    Fertilizer Powder and Granule Handling: Segregation, Caking, and Dust Control

    Bulk-blended fertilizer fails in three recurring ways: segregation between straight materials of different size and density, hygroscopic caking in urea and ammonium nitrate under humidity cycling, and dust release during bagging. Each failure mode maps to a specific diagnostic test rather than a single generic powder check.

    Feature Article

  • Square hero image for Moisture Control for Powders showing the PowderTechnology.info field pack with worksheets, the correct PowderTechnology logo, a hygrometer, a pen, and a powder sample.
    28 March 2026

    Moisture Control for Powders: Dew Point, Water Activity, and Caking Windows

    Moisture control for powders breaks down when teams treat water as one [...]

    Know How

  • Wall friction drift in hoppers, shown as clean wall flow versus film driven ratholing.
    31 January 2026

    Wall Friction Drift in Hoppers: Why Discharge Degrades Over Time

    Many hopper issues are boundary-limited. Wall friction drifts upward over time, so [...]

    Insights

  • 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

  • Industrial spice milling and blending line with airborne powder and spice bowls, showing how hidden additives in food supply chains can enter during upstream processing.
    27 December 2025

    The Hidden Additives in Food Supply Chains Consumers Never See

    Hidden additives in food supply chains often enter as processing aids at [...]

    Feature Article

  • 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

  • powder flow in summer
    24 May 2025

    Why Your Powder Doesn’t Flow the Same in Summer

    Humidity and temperature shifts in summer can drastically [...]

    Insights

  • Selecting the right powder mixer
    6 April 2025

    Selecting the Right Powder Mixer for your blend

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

    Know How

  • hygroscopicity in food powders
    5 April 2025

    Measuring Hygroscopicity in Food Powders: Why It Matters More Than You Think

    Check out these related articles: https://powdertechnology.info/moisture-content-analysis-in-powder-samples/ Hygroscopicity — a powder’s [...]

    Insights

  • Bulk Powders Used in Global Industry
    6 October 2024

    Common Bulk Powders Used in Global Industry

    Bulk Powders in Industry: An introduction Bulk powders are fundamental to [...]

    Feature Article

  • Advancements in Powder Mixing: Techniques and Characterization Methods
    20 August 2023

    Advancements in Powder Mixing: Techniques and Characterization Methods

    In various industries, from pharmaceuticals to food processing and additive manufacturing, achieving [...]

    Feature Article