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          Medical

          Polypropylene (PP) Membrane

          Polypropylene membrane cbt.jpg

          Cobetter Polypropylene (PP) membrane is constructed of pure polypropylene media, which belongs to a membrane filter material for deep filtration. Polypropylene membrane is natural hydrophobic, can withstand a variety of organic solvents, has excellent chemical stability and chemical compatibility. Polypropylene membrane is tough and durable, not easy to break, non-toxic, and with uniform strength. At the same time, Cobetter also offers hydrophilic polypropylene membranes. Polypropylene membrane can withstand PH values from 1 to 14 and have excellent compatibility with acids and bases. So, they are ideally suited for general clarification and pre-filtration of water, aqueous solutions and organic solvents. Additionally, polypropylene membrane is also commonly used for the retention and analysis of large particles. Since polypropylene membranes also have very low extractable content, this performance often provides a perfect solution for accurate analysis in chromatographic correlation applications.

          Cobetter polypropylene membrane has a wide selection range of pore sizes. Polypropylene membrane is with high porosity, large amount of dirt-holding volume, and can withstand high temperature disinfection. For the different filtration requirements from different customers, Cobetter can also provide polypropylene nanofiber membranes with extremely high retention efficiency, no fiber shedding and long life time. Compared with PTFE membrane and PVDF membrane, polypropylene membrane can be safely treated by incineration without releasing harmful fluorine compounds and there is no disposable problem.

          Cobetter polypropylene membrane also has wide range of medical and laboratory applications such as pre-filtration of infusion solvent, gas filtration in medical device and so on. Additionally, PP membrane is also used for pre-filtration for sample preparation, solution, solvent etc. and syringe filter in laboratory. These applications can fully display polypropylene membranes advantages of high flow rate, large amount of dirt-holding volume, and low extractable.


          Polypropylene -CBT.jpg


          Cobetter Polypropylene Membrane Performance Advantages
          - Pre-filtration with highly dirt-holding capacity;
          - Good chemical compatibility;
          - Good hydrophobic/hydrophilic properties;
          - Resistant to PH1-14; Resistant to temperature of 80°C;
          - Non-specific absorption function and protein absorption is very low;
          - Conforms to the filter standard “Fiber free release” defined in FDA CFR 210.3(b)(6);

          Polypropylene Membrane Chemical Resistance Summary.pdf


          Polypropylene Membrane Applications

          - Gas filtration
          - Ion chromatography analysis
          - Syringe filter 

          - Organic solvent filtration, HPLC solvent
            and sample filtration

          - Gas filtration for environmental monitoring
          - Remove large particulate
          - Pre-filtration of APIS
          - Pre-filtration of blood products 
          - Pre-filtration of medium
          - Pre-filtration of dosing system 

          PP application 01.png             PP application 02.png    PP-application-05.jpg




          Hydrophobic Polypropylene Filter Specification

          Specification

          Pore Size
          (μm)

          Thickness
          (μm)

          Air Flow Rate/s
          @100ml*1in2*4.88in.water

          Water Pressure Resistance/kPa

          PP hydrophobic membrane 0.1μm

          0.1

          200

          25

          66

          PP hydrophobic membrane 0.2μm

          0.2

          200

          26

          49

          PP hydrophobic membrane 0.45μm

          0.45

          200

          10

          37

          PP hydrophobic membrane 1μm

          1

          210

          3.5

          23

          PP hydrophobic membrane 5μm

          5

          190

          1

          17

          PP hydrophobic membrane 10μm

          10

          150

          0.42

          8

          PP hydrophobic membrane 15μm

          15

          240

          0.08

          6.5

          PP hydrophobic membrane 20μm

          20

          220

          0.06

          6.5

          PP hydrophobic membrane 30μm

          30

          260

          N/A

          3

          PP hydrophobic membrane 40μm

          40

          480

          N/A

          2




          Hydrophilic Polypropylene Filter Specification

          Specification

          Pore Size
          (μm)

          Thickness
          (μm)

          Liquid Flow Rate/s  
          50ml *12.68cm2

          Bubble Point/ kPa

          PP hydrophilic membrane
          0.2μm

          0.2

          190

          15

          66

          PP hydrophilic membrane
          0.45μm

          0.45

          190

          4

          45

          PP hydrophilic membrane
          1.0μm

          1.0

          170

          14.6

          18

          PP hydrophilic membrane
          5.0μm

          5.0

          320

          4.1

          20

          PP hydrophilic membrane
          10.0μm

          10

          170

          2.8

          7

          PP hydrophilic membrane
          10.0Tμm

          10

          320

          2.2

          8

          PP hydrophilic membrane
          15.0μm

          15

          350

          2.1

          6

          PP hydrophilic membrane
          20.0μm

          20

          320

          2.0

          5






          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




          Filters with Polypropylene Membrane

          High Dirt Holding Capacity Filter Cartridges
          PFSA2 Filter Cartridge Series

          Absoguard Filter Cartridges
          APP Filter Cartridge Series

          Unichro Syringe Filters
          PFSA2-cbt.jpgAPP-CBT.jpgsyringe filter units -cbt.jpg


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