SUBJECT

Moisture Sensitivity

Publications on humidity, moisture uptake, hygroscopic behavior, and the ways water affects powder flow, caking, stability, and processing.

PUBLICATIONS

Browse publications

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

  • Wood powder bridging above the outlet of a stainless-steel hopper
    3 October 2026

    Wood Powder Feeding Problems: Separating Moisture Effects From Particle Interlocking

    Wood powder can bridge because fibrous particles mechanically interlock, because moisture increases [...]

    Feature Article

  • Powder operating window diagram showing a stable powder operating zone surrounded by six process boundaries: consolidation and wall friction, aeration and permeability, humidity and caking, wetting and agglomerates, segregation after transfer, and temperature and time history.
    30 May 2026

    Powder Operating Window: Why a Good Powder Fails in the Wrong Process

    A powder operating window defines the process conditions in which a [...]

    Insights

  • 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

  • Triboelectric charging in powders causing fine powder to cling to polymer and stainless steel surfaces during industrial transfer
    28 March 2026

    Triboelectric Charging in Powders: Why Humidity Matters

    Triboelectric charging in powders is not fixed by a single material ranking. [...]

    Feature Article

  • 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

  • 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

  • Operator checking a high humidity display near stacked powder bags, illustrating how humidity spikes powder flow in storage areas.
    22 November 2025

    When Humidity Spikes Hit Your Powder Flow

    Average conditions rarely tell the full story. Short humidity spikes can change [...]

    Insights

  • Technician testing incoming powder in a small hopper beside printed certificates of analysis in a lab.
    22 November 2025

    Powder Certificate of Analysis vs Reality: Why Incoming Tests Matter

    A powder certificate of analysis (CoA) confirms identity and basic properties, but [...]

    Feature Article

  • Powder wettability in food and feed shown by food powder dispersing in water
    15 November 2025

    Inside Perspective of Powder Wettability in the Food and Feed Industries

    Powder wettability in food and feed determines how fast powders sink, hydrate, [...]

    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

  • 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

  • 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