Fumasep F-10270-PTFE-e

Brand: FuMA-Tech
Product Code: 5041660

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From $40.00

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Fumasep F-10270-PTFE-e membrane is an extruded per-flourinated sulfonic acid cation exchange membrane - PTFE reinforced. This membrane has low electrical resistance, high selectivity, very high mechanical stability, very high stability in basic and acidic environment.

Fumasep F-10270-PTFE-e 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-10270-PTFE-e Features:
 

• Applications: Electrolysis applications and electrochemical processes requiring cation exchange membranes with high oxidative stability and highly resistant to chlorine
• Cation Exchange Membrane
• Thickness (wet): 260 - 280 micrometers (10.23 - 11.02 mil)
• Sizes: 10cm x 10cm, 20cm x 30cm
• Stability Range: pH = 1 - 14 at 90°C

Fumasep F-10270-PTFE-e Technical Specification Sheet

Delivery:

The membrane is the white foil delivered in wet form.

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.

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. To control and minimise wrinkling it is recommended to expand membranes before cutting and module assembling by equilibration in the process solution for sufficient time.

Storage in dry conditions is preferred. If the membrane is pre-treated already, you should store in unsealed containers in 3-5 wt% NaCl solution or comparable neutral pH electrolytes.

Pre-Treatment and Conditioning:

The membrane is delivered in Na+ form and wet state. The membrane does not need any pre-treatment and is ready to use. Do not let the membrane dry out since micro-cracks may likely occur.

If you have any concerns about storage, chemical stability, and pre-treatment 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 Properties
Membrane Cation Exchange Membrane
Thickness 260 - 280 µm (microns)
Appearance / Color White
Backing Foil None
Delivery Form Wet
Reinforcement PTFE
Tensile Strength - max. (MPa) 22 - 25 MPa
Non-Std Modulus (MPa) > 1000
Elongation to Break (%) N/A
Specific Area Resistance < 0.45 Ω cm2
Specific Conductivity > 55 mS cm-1
Counter Ion Na+ form
Ion Exchange Capacity 0.86 meq g-1
Uptake in H2O at 25°C 22 wt %
Dimensional Swelling in H2O at 25°C 9 - 11 %
pH Stability Range at 90°C 1 - 14

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