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Fumasep F-930-RFD

Brand: FuMA-Tech
Product Code: 34010085

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Please note that this product has been discontinued and a limited amount of stock remains. 

Please contact us for availability.

 

Fumasep F-930-RFD membrane is a perflourinated cation exchange membrane with low resistance, high mechanical stability, low dimensional swelling, and high stability in acidic environments.

Fumasep F-930-RFD membrane comes in either a 10cm x 10cm or 20cm x 30cm size sheet.

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 F-930-RFD Features:
 

• Applications: Redox-Flow Battery, Vanadium Redox Flow Battery (VRB), using in aqueous acidic conditions
• Cation Exchange Membrane
• Thickness: 28 - 35 micrometers (1.11 - 1.38 mil)
• Sizes: 10cm x 10cm, 20cm x 30cm

Fumasep F-930-RFD Technical Specification Sheet

Delivery:

The membrane is the transparent (slightly opaque) foil, delivered on a backing foil (colourless rigid PET foil). Pull off carefully the membrane from the backing foil. The membrane is ready to use.

Handling:

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. 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 H-form and dry form. The membrane does not need any pre-treatment and is ready for use. Please assemble the membrane in dry form. If you have any concerns about storage, chemical stability, and pre-treatment please feel free to contact us for further information.

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 Cation Exchange Membrane
Thickness 28 - 35 µm (microns)
Appearance / Color Transparent / Slightly Opaque
Backing Foil PET Foil
Delivery Form Dry
Reinforcement Yes
Counter Ion H+ form
Weight Per Unit Area 5.9 - 7.7 g•cm2
Specific Area Resistance < 0.21 (in 0.5M H2SO4) Ω•cm2
Proton Transfer Rate > 7.500
Dimensional Swelling in Vanadyl Sulfate at T =25°C < 6 %
Uptake in Vanadyl Sulfate at T =25°C < 6 wt %
Non-Std Modulus (MPa) 290 - 340 MPa
Tensile Strength - max. (MPa) 37 - 49 MPa
Yield Strength at 23°C / 50 % R.H. 0 MPa
Elongation to Break (%) 80 - 150 %
Bubble Point Test in Water at 25°C > 3 bar

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