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Filtration, separation and purification

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Cation Membrane T40

Cat.No    ACM-IM-126
  • Description
  • Application

A non-reinforced per-fluorinated sulfonic acid (PFSA) / PTFE copolymer cation exchange membrane (CEM)

Direct methanol fuel cells (DMFC), electrolysis, redox-flow battery, using aqueous acidic conditions. Membrane is not stable under alkaline conditions.

Backing Foil PET Foil
Bubble Point >4 bar (in H2O at 25°C)
Characteristics Low resistance, high mechanical stability, and high stability in acidic environment.
Counter Ion H-form
Delivery Condition Dry (Delivery form)
Elongation At Break >300%
Exchange Capacity 0.6-0.8 meq/g
Membrane Appearance Transparent/Colorless
Non-Std Modulus 250-400 MPa
Permselectivity >96%
pH 0-10 pH (Stability Range at 25°C)
Reinforcement None
Resistance 0.2-0.3 (in H2O at 25°C in H-form) Ω·cm2
Size 20cm x 30cm
Specific Conductivity 60-70 (in H2O at 25°C in H-form) mS·cm-1
Swelling 4-6% (in H2O at 25°C in H-form) (Dimensional Swelling)
Tensile Strength 20-40 MPa (max.)
Thickness 100-200 µm
Yield Strength 10-20 MPa (at 23°C/50% R.H.)

Our products and services are for research use only and cannot be used for any clinical purpose.

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