About
This membranes N-41 are reinforced membranes based on chemically stable 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 electrolyzing cell conditions.
Characteristics for
Chemical Name:PTFE Reinforced Perfluorinated ion exchange membrane for caustic soda
Synonyms:PTFE enhanced membrane, Perfluorinated proton exchange membrane,perfluorinated ionomer membrane,proton exchange membrane,ion exchange membrane,Perfluorosulfonic acid membrane, chlor-alkali membrane
CAS NO.:31175-20-9
Appearance: White membrane
Type: dry membrane
Formula:(C7HF13O5S . C2F4)x
Application:chlor-alkali industry for the production of NaOH and KOH, water treatment device
REF. FOB Price:USD300-900/Piece
Min. Order:1 piece
Payment Terms:L/C,T/T,Western Union,Paypal
Lead Time:10-15 days
Month Capacity:30000 square meters
Thickness:
PTFE reinforced |
N-417(dry) |
260 |
N-4110(dry) |
360 |
|
N-51(wet) |
300 |
Quality of Feeding Brine Requirement:
current density |
<4 kA/m2 |
4-6 kA/m2 |
|
1 |
feeding NaCl |
>210 g/L |
|
2 |
Ca+Mg |
<30ppb |
<20ppb |
3 |
Sr |
<500ppb |
<400ppb |
4 |
Ba |
<1ppm |
<500ppb |
5 |
SiO2 |
<10ppb |
<6ppb |
6 |
Al |
<100ppb |
<100ppb |
7 |
I |
<1ppm |
<200ppb |
8 |
SO4 |
<10g/L |
<8g/L |
9 |
TOC |
<7ppm |
<7ppm |
Operating Instructions:
1, the voltage: less than 4.0v
2, the current density: 1.5--6.0 kA/m2
3, or based on the operation condition
Application:
The Ion-Exchange Membrane N-41 are widely used in chlor-alkali industries, electro-dialysis, recovery of copper from etching solutions, synthesis for gold potassium cyanide, 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.
The membranes N-41 are reinforced by PTFE fabric, and used in the chlor-alkali industry for the production of NaOH 32% and KOH.