... 2.Widely applied in all kinds of difficult sieve imperceptible powder. 3.non-stick nets. 1.Work principleQS series air screening ... materialGraphite powder, resin powder, the powder, coatings, fly ash, talc, industrial chemicals, cosmetics, fire extinguishing agents, plastic powder, clay, abrasive, aluminum powder, glass powder, refractories, starch, milk powder, powder ...