Monthly Know-How

Explore our monthly Know How articles, your source for actionable insights and expert guidance in powder technology. Each article addresses real-world challenges, offering practical tips to optimize processes and enhance material performance. From blending techniques to flowability testing, our content bridges theory and practice. Download the PDF for easy reference and put these insights to work in your projects.

Featured Monthly Know-How

Powder Deaeration: Flushing, Surging, and Air Retention
Powder instability after conveying, filling, or transfer is often treated as a feeder, hopper, or flowability problem. Retained air may be part of the mechanism. A powder bed that has not yet deaerated can discharge at a lower bulk density, surge through outlets, pulse through feeders, release dust, or behave differently from [...]
Particle Size Distribution Interpretation: Reading D10, D50, D90, Fines, and Oversize in Process Context
Particle size distribution interpretation has the most value when the curve explains a specific process observation. D10, D50, D90, fines, oversize, span, and curve shape each describe a different part of the material. The median value gives a useful reference point, but changes in the fine tail, coarse tail, or distribution width often [...]
Moisture Control for Powders: Dew Point, Water Activity, and Caking Windows
Moisture control for powders breaks down when teams treat water as one number. Moisture content, water activity, and dew point answer different questions. Moisture content tells you how much water is present. Water activity shows how available that water is to drive caking, sticking, and flow loss. Dew point shows whether the surrounding [...]
Powder Release Protocol: Sampling Rules and Acceptance Criteria Guide and Check-List
A powder release protocol is an incoming gate that protects your operating window. It works when you test only what predicts real failure modes and control sampling, so results stay defensible. The output is a one-page lot data pack that drives a clear decision, Released, Conditional Release, or Hold, with no room for [...]
Black Mass Powder Quality: Sampling, QA Panel, and Spec Templates
Black mass powder quality decides yield, buyer acceptance, and dispute risk. First, declare the buyer route and write the spec to match it. Next, sample from a moving stream and split the composite correctly. Then trend moisture, PSD tails, a route-specific fines metric, and key impurities with stable methods. Finally, ship with a [...]