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Electrolysis Cell Membrane

Electrolysis Cell Membrane


PFSA N-417PTFE and N-410PTFE membranes are widely used in chlor-alkali industries, electro-dialysis, recovery of copper from etching solutions, synthesis for gold potassium cyanide , caustic soda preparation,chlorine dioxide, and electrochemical reaction for amino acid. The membrane performs as a conducting separator and solid electrolyte in a variety of electrochemical cells which

require the membrane to selectively transport cations across the cell junction.

N-41PTFE series membrane are reinforced membranes based on chemically stable Nafion® perfluorosulfonic acid (PFSA) copolymer.Incorporation of the PTFE mesh reinforcement improves the mechanical property of the composite membrane and allows the membrane to restrict its swelling. The membranes show significant improvements in features such as better resistance to chemical attack and longer operating durability under electrolysing cell conditions.


Membrane Properties

Model Thickness( um)
Basic Weight (g/m²)
N417 260 340
N4110 360 470


Physical Properties

meastured at 50% RH, 23 °C

Values

MD TD

Test Method

Tensile Strength, max., MPa

45

40

GB/T 20042.3-2009

Tensile Modulus, MPa

450

400

GB/T 20042.3-2009

Elongation at Break, %

280

250

GB/T 20042.3-2009


Hydrolytic Properties

Values

Test Method

Water Content, % water  (50% RH, 23 °C)

9.0± 3.0%

GB/T 20042.3-2009

Water Uptake, % water (50% RH, 100 °C,1h)

55.0± 5.0%

GB/T 20042.3-2009

Linear expansion, % increase

from 50% RH, 23 °C to water soaked, 23 °C

from 50% RH, 23 °C to water soaked, 100 °C

3%(MD), 8%(TD)

6%(MD), 16%(TD)

GB/T 20042.3-2009

GB/T 20042.3-2009