Product Name: CSM 50gpd Membrane for RO Water Purifier Model NO.: 50GPD Trademark: CSM Transport Package: Cartons Specification: 25 pcs per box Origin: Shanghai, China HS Code: 8421 Product Description CSM 50GPD RO MEMBRANEHot selling ! CSM RO membrane 50GPD/75GPD/100GPD priceCSM RO Membrane 50~500GPDSalt Rejection: 96%Description.Membrane Type: Thin-film Composite.Membrane Material: PA(Polyamide).Membrane Surface Charge: Negative.Element Configuration: Spiral-Wound, Tape wrappingFeature.CSM Household RO membrane has high permeability..CSM Household RO membrane can remove most of harmful substances such as Carcinogen, THMs (Trihalomethanes), heavy metal irons, bacteria and virus in drinking water.important NoticeElements contain preservative solution, therefore the permeate from the first hour of operation should be discarded, If the operating conditions in this document are not followed, no warranty of the element is honored.Operating Limits,Max. Operating pressure 125psi (0.86Mpa).Max. Feed flow rate 2gpm (0.45m3/hr).Max. Operating temperature 113 F (45 C).Operating pH range 3.0~10.0.Max. Turbidty 1.0NTU.Max. SDI (15 rain) 5.0.Max. Free Chlorine concentration 0.1mg/LThe main parametersModelRE1812-50GRateofReject98.5%MinimumRejectionRate98.0%Outputofwater189LAveragePermeate65GPD/0.25m3/dTestingPressure60psi(0.41Mpa)ActiveMembraneArea3.5ft2(0.32m2)Max.WorkingPressure300psi(2.07Mpa)TestingTemperature25°CMax.FeedwaterTemperature45°CMax.FeedwaterSDI5ResidualchlorineConcentrationofFeedwater<0.1ppmRecoveryRateofSingleMembraneElement15%ConcentrationofTestingSolution(NaCl)250ppmPHValueofTestingSolution8.1PHRangeofFeedwaterduringContinuousOperation3~10PHRangeofFeedwaterduringChemicalCleaning2~12Max.PressureDropofSingleMembraneElement10psi(0.07Mpa)