You have no items in your shopping cart.

PTFE Hydrophobic (supported)

Supported Hydrophobic PTFE Membrane Filters
  • Thin, highly porous membrane filter
  • Behaves as an absolute retentive membrane
  • Underside laminated with polyproplene to improve handling
  • Inert to most agressive solvents, including strong acids and bases
  • Use to sterilize gasses, vent gas from aqueous solutions, or sterilize or clarify aggressive chemicals
     Hydrophobic PTFE Filter
    Magnification of Hydrophobic PTFE filter.
    Also available as syringe filter units.
     
    Product Specifications: Supported Hydrophobic PTFE Membrane Filters
    Click here for chemical compatiblity information.
    Pore Size
    (μm)
    Bubble Point1
    Flow Rates2
    Porosity3
    (%)
    Maximum Operating Temperature
    (°C)
    Water Break-Through
    Thickness
    (μm)
    MPa
    psi
    Acetone
    (mL/min/cm2)
    Air
    (L/min/cm2)
    MPa
    psi
    0.10
    ≥0.14
    ≥20.3
    39.1
    2.5
    72
    120
    >0.40
    >58.0
    130
    0.20
    ≥0.097
    ≥14.1
    61.4
    4.5
    72
    120
    0.28
    40.0
    130
    0.50
    ≥0.058
    ≥8.5
    110
    7.5
    74
    120
    0.14
    20.1
    120
    1.00
    ≥0.029
    ≥4.3
    445
    17
    76
    120
    0.05
    7.0
    90
    Notes:
    1. Bubble Point is the minimum pressure required to force air through a membrane which has been prewet with isopropylalcohol.
    2. Flow rates determined under constant vacuum 0.7 kg/cm2 (10 psi).
    3. Porosity refers to the percent open area.
     
    Ordering Information: Supported Hydrophobic PTFE Membrane Filters
    Choose the appropriate Pore Size and Membrane Diameter from the chart below to select a catalog number. Hydrophobic 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
    J010A013A
    J010A025A
    J010A047A
    J010A090C
    J010A142C
    J010A293D
    0.20
    J020A013A
    J020A025A
    J020A047A
    J020A090C
    J020A142C
    J020A293D
    0.50
    J050A013A
    J050A025A
    J050A047A
    J050A090C
    J050A142C
    J050A293D
    1.00
    J100A013A
    J100A025A
    J100A047A
    J100A090C
    J100A142C
    J100A293D