... for water treatment with different membrane material (PES,PS,PVDF,PVC,PAN,PP)Hollow fiber ultrafiltration membrane is one of the most ... %SpecificationSize(mm) 90x1175 TypeInside-Out Hollow fiberMaterialAlloy-PVC (PAN,PVDF,PS)I/O Diamater of hollow fiber1.0/1.66mmMWCO ... Cycle6-180daysChemicals Flushing Time15-120minsChemicalsCitric acid,NaOH / NaClO,H2O2 UF membrane filter mineral water treatment plant