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Filtration Products
 Membranes  Prefilters  Filter Papers & Thimbles  Microbiological Products
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Hydrophilic PTFE Membrane Filters
  • Maximal chemical and pH resistance
  • High flow rates with minimal aqueous extractables (<0.3wt%)
  • Optically clear when wet with water
  • Unsupported membrane filter
  • Ideal for HPLC and other mixtures of aqueous and organic solvents
      Hydrophilic PTFE Filter
    Magnification of Hydrophilic PTFE filter.
    Also available as syringe filter units.
     
    Product Specifications: Hydrophilic PTFE Membrane Filters
    Click here for chemical compatiblity information. Hydrophilic PTFE Membranes are not autoclavable.
    Pore Size
    (μm)
    Bubble Point1
    Flow Rates2
    Porosity3
    (%)
    Maximum Operating Temperature
    (°C)
    Thickness
    (μm)
    MPa
    psi
    Water
    (mL/min/cm2)
    Air
    (L/min/cm2)
    0.10
    ≥0.38
    ≥55.1
    14
    1.6
    71
    35
    100
    0.20
    ≥0.24
    ≥34.8
    21
    2.1
    71
    35
    100
    0.50
    ≥0.14
    ≥20.3
    39
    2.9
    79
    35
    100
    1.00
    ≥0.083
    ≥12.0
    73
    5.7
    83
    35
    100
    Notes:
    1. Bubble Point is the minimum pressure required to force air through a membrane which has been prewet with water.
    2. Flow rate indicates initial flow rate at 10 psi using a KGS 47 filter holder:
          Water: using prefiltered (0.1μm) water
          Air: using prefiltered nitrogen
    3. Porosity refers to the percent open area.

    Trace Metal Content (ppm): Hydrophilic PTFE Membrane Filters
    Al
    Ca
    Cr
    Cu
    Fe
    K
    Mg
    Mn
    Na
    Ni
    15
    13
    <1
    0.5
    <10
    8
    1
    0.1
    20
    0.9
     
    Ordering Information: Hydrophilic PTFE Membrane Filters
    Choose the appropriate Pore Size and Membrane Diameter from the chart below to select a catalog number. Hydrophilic PTFE Membrane filters are available as nonsterile, plain white disks in the packaging listed below. Product certification is available upon request.
    For price and availablity of any membrane filter, call us at 1-800-334-7132 or click here to contact us by email.
     
    Plain White Disks
    Pore Size
    (μm)
    φ13 mm
    φ25 mm
    φ47 mm
    φ90 mm
    φ142 mm
    φ293 mm
    Package of 100
    Package of 25
    Package of 10
    0.10
    H010A013A
    H010A025A
    H010A047A
    H010A090C
    H010A142C
    H010A293D
    0.20
    H020A013A
    H020A025A
    H020A047A
    H020A090C
    H020A142C
    H020A293D
    0.50
    H050A013A
    H050A025A
    H050A047A
    H050A090C
    H050A142C
    H050A293D
    1.00
    H100A013A
    H100A025A
    H100A047A
    H100A090C
    H100A142C
    H100A293D
     
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