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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 great 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 high 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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