Why Does Powder Become More Cohesive After Drying?
Drying does not always improve powder flow. Dissolved [...]
Micronization by Jet Milling: How Classification, Milling Intensity, and Time Change Surface Properties
Jet milling micronization reduces particle size through particle-particle impact controlled by classifier wheel speed and feed rate. Pushing the cut point lower can raise amorphous surface content and hygroscopicity in ways a passing PSD result will not reveal. This guide covers the mechanism and the tests that actually diagnose a changed lot.
