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      Acrylic Copolymer Membrane


      Cobetter Acrylic Copolymer Membrane is acrylic copolymer membrane cast on nonwoven nylon support. It is both hydrophobic and oleophobic material with excellent air permeability and broad chemical compatibility, the oil rating could be up to 8 grade (AATCC 118-2013). Non-wettable by most low surface tension liquids and high air flow rate makes it an ideal material for a variety of air venting applications, which has same good performance as Versapor*.  

      Arcylic-Copolymer-Membrane-1.jpgBenefit from the unique casting process and robust support layer, acrylic copolymer membrane is one of the most durable materials, which makes it compatible with multiple welding methods, including ultrasonic welding, torsional welding, thermal welding, RF welding, insert welding etc. The special construction of the membrane makes the welding easier, both sides could be welded without distinguishing. The simple handling feature improves the labor efficiency. 

      Cobetter Acrylic Copolymer membrane withstands Ethylene Oxide(EtO), E-Beam, Gamma Irradiation (Up to 50KGY) and steam sterilization, providing compatibility to the most stringent sterilization requirements in medical applications. In addition, our membrane complies with United States Pharmacopeia(USP) Biological Reactivity Tests,In Vivo<88>for biosafety and is non-cytotoxic.  

      Cobetter Acrylic Copolymer Membrane.png

      This membrane has good compatibility with a wide range of housing/plastic materials: High Density Polyethylene(HDPE), Low Density Polyethylene(LDPE), Polypropylene(PP), Acrylonitrile Butadiene Styrene(ABS), Polycarbonate(PC), Polymethyl Methacrylate(PMMA) etc. Due to the characteristics of non-woven nylon support, it is also suitable for high-frequency welding of PVC, EVA and other soft bags films. The peel strength after welding is superior to any other membranes, and it has unique advantages in the special application of urine bag and drainage bag.

      *Versapor is a trademark of Pall Corporation.

      PFOA Free
      Cobetter can supply PFOA free membrane filter that do not contain Perfluorooctanoic acid (PFOA), its salts and PFOA-related substances, which comply with relative regulation requirements in European REACH EU2017/1000, EC1907/2006 (REACH), and POP EU2020/784.

      Features and Benefits

      ? Robust air/ gas filtration and venting performance over a broad range of operating conditions. 

      ? Strong Physical Integrity, resistance to low surface-tension fluids.

      ? Reduce the risk of bacterial/particulate contamination.

      ? Flexible welding with both sides.

      ? Ideal choice for medical device venting and liquid barrier application. 


      IV Filter Vent

      ? Urine meters / bags

      ? Ostomy pouches

      ? IV spike

      ? Dispensing pin

      ? Suction canisters

      Production Diagram of Cobetter Acrylic Copolymer Membrane-07.pngProduction Diagram of Cobetter Acrylic Copolymer Membrane-03.pngProduction Diagram of Cobetter Acrylic Copolymer Membrane-02.png
      Production Diagram of Cobetter Acrylic Copolymer Membrane-06.pngProduction Diagram of Cobetter Acrylic Copolymer Membrane-04.pngProduction Diagram of Cobetter Acrylic Copolymer Membrane-05.png



      Acrylic copolymer membrane on nonwoven nylon support

      Available Pore Size

      0.2μm,  0.45μm,  0.8μm,  1.2μm, 3μm, and 5μm

      Biological Safety

      Meets USP<88>, for class VI-121℃ plastic


      Ethylene Oxide, E-Beam, Gamma Irradiation, Steam Sterilization.

      Available Format

      Roll , Sheet , Disc , Customization.

        Compatible Materials / Methods

          Acrymer Copolymer Membrane

        Housing / Plastics Materials

          HDPE, LDPE, PP, ABS, PC, PMMA, PVC, EVA etc.

        Welding Methods

         Ultrasonic welding, Torsional welding, Thermal welding, RF welding, Insert molding etc

        Sterilization Methods   Ethylene Oxide, E-Beam, Gamma Irradiation, Steam Sterilization.

      For technical data sheet or application inquiry, you are more than welcome to contact our sales representative by sales@cobetterfilter.com or leave a message