... manganese dioxide,anthraquinone ammonium sulphonate,fluor,diatomaceous,silica gel catalyst,born powder,potassium perchlorate sulfonamide ,synthesis resin,active gluten,active ... of potassium prodromata,lees residue and so on.Principle:Air stream dryer can remove moisture from the surface of ... or powder that are easy to dehydrate.Under the air stream drying process;the quality of finished products can ...