... cosmetics, fire extinguishing agent, plastic powder, clay, abrasive, aluminum powder, glass powder, refractories, starch, milk powder, powder metallurgy, magnetic materials, copper, ... 53μm140(T/H)Square meshMesh 38μmNickel, Cobalt powderSieve 2-3 times meet the requirements Screen ... produce substandard products.Increase in production, reduce rejects powder (available screening level from 44μm down to ...