Fouling-resistant reverse osmosis membrane of BF series provided by Saehan Indust ries Co.has good fouling resistant perfo rmance.Especially when it is used in the treatment of surface and wastewater, the waterflux decrease of the membrane is less, the running energy consumption is lower, the period of water-making time is longer and the cleaning efficiency is obvious.BF membrane is a new type of composite membrane with excellent performance.