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Fumasep FAS-PET-75

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Fumasep FAS-PET-75 Specification

Material
Perfluorosulfonic acid (PFSA) Polymer Coated on PET Film

Application
Proton Exchange Membrane for Electrochemical Applications

Chemical Composition
Fumasep FAS ionomer with PET reinforcement

Shape
Flat sheet membrane

pH Stability Range
1-10

Proton Conductivity
> 65 mS/cm (at 23°C, fully hydrated)

Format
Rolls and sheets

Ion Exchange Capacity (IEC)
0.98 - 1.06 meq/g dry

Membrane Type
Cation Exchange Membrane

Water Uptake
16-22% (at 23°C)

Reinforcement
PET (Polyethylene Terephthalate)

Thickness
75 µm (microns)

Operating Temperature
Up to 80°C (in aqueous environment)

Color
Transparent

Fumasep FAS-PET-75 Trade Information

Payment Terms
Paypal

Delivery Time
15 Days

Main Export Market(s)
Asia

Main Domestic Market
All India

About Fumasep FAS-PET-75

Brand: FuMA-Tech
Product Code: 5041615

Fumasep FAS-PET-75 is a PET reinforced AnionExchange Membrane (AEM) with low resistance, high selectivity, highmechanical stability, and high stability in pH neutral and acidicenvironments. The polymer backbone for this AEM is based on a hydrocarbonpolymer material.

Fumasep FAS-PET-75 membrane comes in either a 10cm x 10cmor 20cm x 30cm size sheet that is delivered in a dry brown-foil form.

Fumatech membranes are highly sensitive to differences inhumidity and moisture content. Therefore the membranes can vary +/- 0.5cm fromthe original cut sizes. Also due to this sensitivity the manufacturer expectswrinkles to form, however soaking the membranes in deionized water will returnthe membranes to the full size planar state according to the manufacturer.

FumasepFAS-PET-75 Features:

Applications:Electrodialysis for demineralisation, desalination, acid recovery applicationsand others.
Anion Exchange Membrane
Stability Rang (pH) at 25C: 0 - 8
Thickness: 70 - 80 micrometers (2.76 - 3.15 mil)
Sizes: 10cm x 10cm, 20cm x 30cm

Handling:

Keep membrane package closed / sealed when unused. Store,handle and process the membrane in a clean and dust-free area. Use only new andsharp knives or blades, when cutting the membrane. Always wear protectivegloves when handling the membrane. Handle with care, be sure not to puncture,crease or scratch the membrane, otherwise leaks will occur. All surfaces incontact with the membrane during handling, inspection, storage and mountingmust be smooth and free of sharp projections.

Storage:

Dry Form: The membrane can be stored dry foran unlimited amount of time. However, the membrane has to be conditioned(washed and rinsed) prior to use.

Wet Form: Storage for short and medium timescale (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 storageover a longer time period a sealed container is recommended using afore saidelectrolyte with ca. 100 ppm biocide (NaN₃) to avoid biologicalfouling.

Pre-Treatment and Conditioning:

The membrane is delivered in bromide formand dry form. Depending on application and cell design, assembling is possiblein dry form (without pretreatment) or wet form. For optimum performance it isrecommended to rinse the membrane in NaCl solution (e.g. 0.5 M NaCl solution at25C for 24 hrs) to remove any additive from the membrane. Place the membranesample between stabilizing meshes / spacers in order to avoid curling. Do notlet the membrane dry out since micro-cracks may likely occur during shrinkage.

Engineered Durability and Efficiency

Fumasep FAS-PET-75 delivers consistent electrochemical performance thanks to its PET reinforcement and PFSA polymer composition. This construction enhances mechanical stability and extends operational life, even at elevated temperatures and in varying pH conditions.

Versatile Applications and Formats

Designed as a proton exchange membrane, Fumasep FAS-PET-75 adapts seamlessly to diverse industrial and laboratory needs. It is supplied in both rolls and flat sheets, offering flexibility for custom fitting in fuel cells, electrolyzers, and various electrochemical devices.

FAQs of Fumasep FAS-PET-75:

Q: How should Fumasep FAS-PET-75 membranes be prepared before use?

A: Prior to installation, the membrane should be fully hydrated and, if necessary, pre-conditioned in an electrolyte relevant to your electrochemical setup. This ensures optimal ion exchange and conductivity during operation.

Q: What are the principal benefits of using a PFSA polymer-coated PET membrane in electrochemical applications?

A: The PFSA polymer provides excellent proton conductivity, while the PET reinforcement enhances mechanical strength and durability. This combination results in stable, long-lasting performance in demanding electrochemical environments.

Q: When is it advisable to use Fumasep FAS-PET-75 over other membrane types?

A: Fumasep FAS-PET-75 is ideal when a balance of high proton conductivity, robustness, and chemical stability is requiredespecially in devices operating up to 80C and within a pH range of 110.

Q: Where can Fumasep FAS-PET-75 membranes be purchased in the United States?

A: These membranes are accessible through authorized distributors, manufacturers, retailers, suppliers, and traders across the United States, often available in both roll and sheet formats for customization.

Q: What is the typical process for handling and installing this membrane format?

A: Cut the flat sheet or roll to your systems required size, handle with clean gloves to prevent contamination, and position it securely in the cell assembly. Follow manufacturer guidelines for best results.

Q: How is Fumasep FAS-PET-75 advantageous in terms of usage in electrochemical cells?

A: It offers strong proton conductivity, chemical resistance, and mechanical integrity, making it suitable for extended use in fuel cells, electrolyzers, and other electrochemical devices where efficiency and durability are crucial.

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