SUBJECT
Flowability
Publications on powder flow, flowability testing, cohesive behavior, and the material and process factors that influence reliable handling and discharge.
PUBLICATIONS
Browse publications
Explore PTI articles, Insights, Know How, and technical publications related to this subject.
7 March 2026Loss in Weight Feeder Drift After Refill: The Refill Shock Mechanism and How to Diagnose It
Loss in weight feeder drift often starts at refill, not at tuning. [...]
Insights
14 February 2026Deaeration lag, why “easy flowing” powders still surge
Deaeration lag in powders creates a timing mismatch between how fast your [...]
Insights
7 February 2026Permeability Collapse in Hopper Discharge Causes “Random” Ratholes and Sudden Flooding
Permeability collapse in hopper discharge often triggers instability before cohesion becomes the [...]
Insights
31 January 2026Wall Friction Drift in Hoppers: Why Discharge Degrades Over Time
Many hopper issues are boundary-limited. Wall friction drifts upward over time, so [...]
Insights
24 January 2026Water 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
17 January 2026Powder Caking vs Compaction Test: That Tells You Which Problem You Have
Powder caking vs compaction can look identical in production. However, they need [...]
Insights
5 January 2026Laser Diffraction Troubleshooting: Pressure Titration for Reliable PSD
Laser diffraction troubleshooting often points at the powder, not the method. A [...]
Insights
27 December 2025Powder Permeability, The Hidden Cause of Dosing Instability
Powder permeability dosing instability often starts with trapped air. Low permeability traps [...]
Insights
20 December 2025Graphite Under the Tree
In the Holiday rush, winter humidity shifts and faster throughput can break [...]
Feature Article
13 December 2025Triboelectric Charging in Powders: The science, failure modes, and industrial controls
Triboelectric charging forms when powders contact and separate, creating a shifting charge [...]
Feature Article
29 November 2025Hopper Bridging: Why One Hopper Always Bridges First
Hopper bridging is rarely random. It points to a mismatch between powder [...]
Insights
29 November 2025The complexities of infant formula powders
Infant formula powders are far more demanding than simple food powders. Safe [...]
Feature Article

