Fumasep FAP-450

Brand: FuMA-Tech
Product Code: 5041638

Price:
From $19.00

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Fumasep FAP-450 is a non-reinforced Fluorinated Anion Exchange Membrane (AEM) with low resistance, high blocking capability of vanadium ions, and high stability in acidic environment.

Fumasep FAP-450 membrane comes in either a 10cm x 10cm or 20cm x 30cm size sheet. When it is delivered it will be the transparent foil. The membrane is ready for use when it arrives.

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.

Fumasep FAP-450 Features:
 

 • Applications: Redox-Flow Battery, e.g. Vanadium-Redox-Flow Battery (VRB), using aqueous acidic conditions.
 • Anion Exchange Membrane
 • Thickness: 50 micrometers (1.97 mil)
 • Sizes: 10cm x 10cm, 20cm x 30cm

Operation Range:

Acidic environment pH < 4, at pH > 4 the material has low ionic conductivity. The material is not stable in caustic environment (pH > 11). General temperature range is room temperature to 50°C.

Fumasep FAP-450 Technical Specification Sheet

Handling:

Keep membrane package closed / sealed when unused. Store, handle and process the membrane in a clean and dust-free area. Use only new and sharp knives or blades, when cutting the membrane. 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 in contact with the membrane during handling, inspection, storage and mounting must be smooth and free of sharp projections.

Pre-Treatment and Conditioning:

The membrane is delivered in dry form. No pretreatment is required. However, membranes will expand and contract based on electrolyte content.

Long Term Storage:

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.

Please note that a current lead time of one to two weeks is to be expected.

Membrane Properties
Membrane Anion Exchange Membrane
Thickness 45 - 55 µm (microns)
Appearance / Color Transparent / Colorless
Backing Foil Between Paper
Delivery Form Dry
Reinforcement None
Tensile Strength - max. (MPa) 40 - 60 MPa
Density 7.5 - 8.5 mg•cm-2
Non-Std Modulus (MPa) 900 - 1200 MPa
Yield Strength at 23°C / 50 % R.H. 24 - 30 MPa
Elongation to Break (%) > 250 %
Specific Area Resistance 0.45 - 0.60 (in 0.5 M H2SO4) Ω•cm2
Specific Conductivity 9 - 12 (in 0.5 M H2SO4) mS•cm-1
Counter Ion None
Selectivity 90 - 96 %
Uptake in H2O at 25°C 15% - 25% in 2 M H2SO4 at 25°C and 12% - 18% in vanadyl sulfate at 25°C wt %
Dimensional Swelling in H2O at 25°C 0% - 2% in 2 M H2SO4 at 25°C and 10% - 12% in vanadyl sulfate at 25°C %
Proton Transfer Rate 2500 - 4500 µmol•min-1•cm-2
Bubble Point Test in Water at 25°C > 4 bar

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