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Hydrophobic PTFE Membrane Filters / Type 11842

The hydrophobic PTFE membrane filters are made of polytetra-fluorethylene (PTFE) only and are therefore permanently hydrophobic. Unlike hydrophilic filter types, they are not wetted by air humidity.

Item no.:  11842--42------N

Price:  $575.00

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100 Pieces
   

The main application of these membrane filters ist the filtration of air, gases and chemicals. PTFE membrane filters have an excellent chemical compatibility (pH 1 to 14), so that they are also used for the filtration of solvents and acids, to which other filter types are not resistant.

Brochure

宣传手册:实验室过滤产品精简目录
zh 19.0 MB

Catalog

Laboratory Filtration Products
en 8.2 MB

Applications

  • Application
    • Solvent Filtration
    • Solvent Filtration-mixtures
  • Application Area
    • Venting
    • Moisture Barriers
    • Clarification
    • Particle Analysis

Dimensions

  • Filter Diameter
    ⌀ 42 mm
  • Membrane Thickness
    100 µm

General Specifications

  • Filter Format
    Discs
  • Filter Paper/Membrane Color
    White
  • Flow Rate
    250 mL/min/cm²/bar (Isopropanol)
  • Membrane Color | Grid Color
    white (w/o grid)

Materials of Construction

  • Filter Material
    Polytetrafluorethylene (PTFE), hydrophobic

Physicochemical Information

  • Bubble Point
    0.1 bar
  • Grade
    11842
  • Pore Size
    5 µm
  • Wettability
    Hydrophobic

Product Information

  • Filter Type
    Membrane Filters
  • Pack Size
    100
  • Packaging
    Non-sterile, bulk packed
  • Primary Product Type
    Filters

Usage Protocols

  • Sterilization Procedures
    • By autoclaving at 121 °C or 134°C
    • Ethylene oxide