301-14 ASTM B527 standard test method for the measurement of refractory metallic compound powders by a tapped density tester
ASTM B527 the standard test method for the measurement of refractory metallic compound powders by a tapped density tester, usually HMKTest LABULK 0335 Fourth Generation Tapped Density tester are used to do the test.
Tap Density Tester https://www.labulk.com/as-100-tap-density-tester/