... of low pressure drop,high flux and high effciency.improved packing have lower pressure and higher mass transfer efficiency ... ,than ladder ring in the same size.In addition,improved packing has good distribution for liquids in the packing ... aluminium,copper,bronze,304L,316L and aluminium permeated steels,improved polypropylene,improved Nylon6,Nylon66,reinforce PBT etc.Applications:various separation, ...