angle of repose (AOR in short), collapse angle (CA in short), flat plate angle, dispersibility, loose (bulk) density, tap ... for evaluating flowing properties of powder including angle of repose (AOR in short), collapse angle (CA in short), flat plate angle, dispersibility ... , compressibility, voidage, regularity & uniformity (R & U in short) are obtained, as well as flowability and jetting ability by ...