... ,Low energy consumption. 4, Long service life. BWT column hollow fiber membrane advantage1,PVDF material.high chemical stability.2,High ... acid,alkali resistant and strong oxidation resistance.3,Hollow fiber membrane noodle is fingered hole-anisomerous structure, high ... diameter 0.7mm 0.6mm Hollow fiber outside diameter 1.2mm 1.1mm Adhesive material Epoxy resin Epoxy resin Membrane area 40m2 40m2 ...