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Fumasep F-10100 is a non-reinforced Cation Exchange Membrane (CEM) with low resistance, high mechanical stability, high selectivity and high chemical / oxidative stability, and resistant to chlorine.
Fumasep F-10100 membrane comes in a 20cm x 30cm size sheet. The membrane is the colourless, transparent foil, delivered on a backing foil (colourless rigid PET foil). Pull off carefully the membrane from the backing foil.
Fumatech membranes are highly sensitive to differences in humidity and moisture content. Therefore the membranes can vary +/- 0.5cm from the original cut sizes. Also due to this sensitivity the manufacturer expects wrinkles to form, however soaking the membranes in deionized water will return the membranes to the full size planar state according to the manufacturer.
• Applications: Electrochemical processes requiring cation exchange membranes with high oxidative stability and highly resistant to chlorine (e.g. for electrode protection).
• Cation Exchange Membrane (CEM)
• Thickness: 100 micrometers (3.94 mil)
• Size: 20cm x 30cm
Keep membrane package closed / sealed when unused. Unpack membrane only for direct use and process immediately after opening. Store, handle and process the membrane in a clean and dust-free area. Always wear protective gloves when handling the membrane. Handle with care, be sure not to puncture, crease or scratch the membrane, otherwise leaks will occur. All surfaces which may get into contact with the membrane during inspection, storage, pretreatment and mounting must be free of sharp edges or angles.
Dry Form: The membrane can be stored dry for an unlimited amount of time. However, the membrane has to be conditioned (washed and rinsed) prior to use.
Wet Form: Storage for short and medium time scale (hours up to several weeks) may be done in unsealed containers in 0.5 – 1.5 wt% NaCl solution or comparable neutral pH electrolytes. For storage over a longer time period a sealed container is recommended using afore said electrolyte with ca. 100 ppm biocide (NaN3) to avoid biological fouling.
The membrane is delivered in H-form and dry form. Depending on application and cell design, assembling is possible in dry (without pretreatment) or wet form. Pretreatment before assembling: Put the membrane sample between stabilizing meshes / spacers (in order to avoid curling) in NaCl solution - e.g. 0.5 M NaCl solution at 25°C for 72 hrs exchanging several times the solution. Do not let the membrane dry out since micro-cracks may likely occur during shrinkage.
If you have any concerns about storage, chemical stability, pre-treatment or before proceeding, please feel free to contact us for further information.
Please note that a current lead time of one to two weeks is to be expected.
|Membrane||Cation Exchange Membrane|
|Thickness||95 - 105 µm (microns)|
|Thickness (Wet)||100 - 112 µm (microns)|
|Appearance / Color||Transparent / Colorless|
|Backing Foil||PET Foil|
|Tensile Strength - max. (MPa)||27 - 31 MPa|
|Non-Std Modulus (MPa)||> 200 MPa|
|Yield Strength at 23°C / 50 % R.H.||9 MPa|
|Elongation to Break (%)||235 - 277 %|
|Specific Area Resistance||0.72 (in 0.5 M NaCl) Ω•cm2|
|Specific Conductivity||14.3 (in 0.5 M NaCl) mS•cm-1|
|Ion Exchange Capacity||0.85 - 0.91 meq•g-1|
|Uptake in H2O at 25°C||24 wt %|
|Dimensional Swelling in H2O at 25°C||10 - 12 %|
|Proton Transfer Rate||8527 µmol•min-1•cm-2|
|Bubble Point Test in Water at 25°C||> 3 bar|
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