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Versapor® Acrylic Copolymer Membrane Disc Filters

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Ideal for Prefiltration of Difficult-to-Filter
Solutions and Serum

  • Reduces clogging of final filters. Can be used upstream of a sterilizing filter for viscous solutions.
  • Strong and flexible while both wet or dry.
  • Excellent throughput with high liquid flow rates at low differential pressures.


  • Designed to be used in applications requiring excellent retention properties combined with tensile strengths in excess of 200 bar (20,000 kPa, 3000 psi).
Technical Data:

Filter Media

  • Hydrophilic acrylic copolymer on a non-woven support

Pore Size

  • 0.2, 0.45, 0.8, 1.2, 3, and 5 μm

Diameter

  • 25 – 293 mm

Typical Thickness

  • 94 μm (3.7 mils)

Typical Water Flow Rate

  • mL/min/cm2 at 0.7 bar (70 kPa, 10 psi)
  • 0.2 μm: 16
  • 0.45 μm: 75
  • 0.8 μm: 142
  • 1.2 μm: 315
  • 3 μm: 518
  • 5 μm: 778

Maximum Operating Temperature – Water

  • 88 °C (190 °F)

Minimum Bubble Point – Water

  • 0.2 μm: 2.0 bar (200 kPa, 30 psi)
  • 0.45 μm: 1.1 bar (110 kPa, 16 psi)
  • 0.8 μm: 0.6 bar (60 kPa, 8 psi)
  • 1.2 μm: 0.4 bar (40 kPa, 6 psi)
  • 3 μm: 0.2 bar (20 kPa, 3 psi)
  • 5 μm: 0.1 bar (10 kPa, 2 psi)

Biological Safety

  • Passes United States Pharmacopeia (USP) Biological Reactivity Test, In Vivo <88>

Sterilization

  • Provided non-sterile. If desired, sterilize by gamma irradiation or sanitize with 70% ethanol


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