... are high strength, filtering speed, sound absorption, shock absorption, insulation. Fibreglass resin filter bags have advantages of a high temperature, corrosion ... resistanceexcellentexcellentalkali resistancegoodgoodabrasive resistancegeneralgeneralhydrolytic resistancegoodgoodpost-treatmentPTFE (Ptfe treatment)PTFE (Ptfe treatment) Fibreglass resin filter bags