Discover our new complete powder flow resource pages

Visit to discover everything you need to understand, select, and run PFA tests

We have just launched a completely rebuilt powder flow section on our website and within the Powder Flow Analyser help files of Exponent Connect software. Whether you are considering the PFA for the first time or have been using it for years, these resources are designed to be the most useful reference available for dynamic powder flow characterisation.

For those new to the PFA

Start with Why measure powder flow? – the case for dynamic measurement and why static tests miss the problems that matter. Then read How the PFA works for the physical principle behind the measurements.

For those selecting tests

The new What problem? What test? diagnostic guide maps production complaints – bridging, fill weight drift, caking, speed sensitivity – to the specific tests and parameters that address them. It replaces the guesswork in test selection with a structured decision process.

For those interpreting results

Each test type page now includes detailed guidance on reading the results: what each parameter means, what combinations indicate different failure modes, and what to test next based on what you find. Start with the Cohesion test page – the most frequently consulted reference in the section.

For those comparing materials or testing vessel options

The new Vessel material options page explains why testing in glass and aluminium vessels is a diagnostic tool, not a source of uncertainty – and what differences between vessel results reveal about boundary-sensitive behaviour.

For those looking for typical sample data and videos

The new Powder examples page brings together real test data and videos from more than 60 samples across food, pharmaceutical, cosmetics, agriculture, and industrial powders – showing what results look like for materials similar to yours, how to read the key parameters, and what each profile means for real handling behaviour.