EW and JW Membranes From GE Osmonics Discontinued

The EW and JW line of ultrafiltration membranes from GE Osmonics is being discontinued. At this time, these membranes do not have any direct replacements, but we've listed their specifications below to aid comparison for similar products:

Designation Polymer Molecular Weight Cut-off (MWCO) Rej-Size pH Range @ 25 °C Typical Flux/psi GFD*@PSI
EW Polysulfone 60000 MWCO 60K-Dextran 1-12 300/25
JW PVDF 30000 MWCO 25K - 50K 1-11 275/30

*GFD = Gallons per square foot of membrane per day The following products are longer being offered:

  • YMEWSP3001
  • YMEWSP1905
  • YMEWSP425
  • YMEWSP475
  • YMJWSP3001
  • YMJWSP1905
  • YMJWSP425
  • YMJWSP475

Although these products are being discontinued, we do have limited quantities of these products remaining.  If you need to place an order for either of these products, please contact us.  You can also click here to browse the other ultrafiltration membranes that Sterlitech carries. Â