510-28 What is the undersize material of the air jet sieve
The undersize material of air flow sieve is also called undersize powder. It refers to the sifted material that can pass through the mesh after the powder particles are sieved by a sieve with a certain number of mesh under the drive of air jet sieve. It is correspond to oversize material. HMKTest HMK-200 intelligent touch screen Air Jet Sieve automatically calculates the under percentage of the tested powder.
Air Jet Sieve https://www.isizer.com/air-jet-sieve-analysis-by-micron-air-jet-sieve-shaker/