... strength, filtering speed, sound absorption, shock absorption, insulation, flame resistan Glass fibre dust bag has advantages of a high ... high strength, filtering speed, sound absorption, shock absorption, insulation, flame resistance, folding resistance and so on.specificationCMN-FEMN-Fweight ... resistancegoodgoodpost-treatmentPTFE (Ptfe treatment)PTFE (Ptfe treatment) Glass fibre dust bag