Sartorius™ Glass Fiber (GF) Pre-filters Available on GSA/VA Contract for Federal Government customers only.

Use as a depth filter for larger totally filterable volumes. Sartorius™ Glass Fiber (GF) Pre-filters are made of borosilicate glass microfibers and are ideal for use as a pre-filter in clarification and sterile filtration. Available in a range of filter disc diameters.

Manufacturer: Sartorius™ 13400-124------K

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Catalog No. 14-555-437

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    Material Borosilicate Microfiber Glass
    Color White
    Diameter (Metric) Outside 12.4cm
    Autoclavable Yes
    For Use With (Application) Used as a depth prefilter high particle loading capacity
    Flow Rate 295 to 381mL/min.
    Format Filter Disc
    Grade 13400
    Sterile No
    Temperature (Metric) Max 220°C
    Thickness (Metric) 550μm
    Wettability Hydrophilic
    Diameter (English) Outside 4.88 in.
    Temperature (English) Maximum 428°F

    The major use of the glass microfiber filter disc is as a depth prefilter in clarification and sterile filtration. As a prefilter, it is placed directly on top of a membrane filter. The prefilter diameter must be the one specified for the chosen holder; larger diameters will intrude under the sealing ring of the holder and cause leakage.

    • Manufactured with a hydrophillic acrylic binder for defined strength
    • Has a high particle loading capacity for filtering relatively dirty liquids
    • Mechanically and chemically stable, with a temperature resistance up to 220°C
    • Other filter characteristics:
      • Weight: 73g/m2
      • Extractable content in isopropanol: 1.54%
      • Extractable content in water: 1.12%
      • Pressure drop at 5.3cm/sec: 0.363kPa
      • Total throughput at 1bar: 320mL/min./cm2

  • Description & Specifications

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