All Vanadium Flow Battery System

Reinforcing Membrane for PTFE Electrolysis
PTFE type perfluorosulfonic acid reinforced membrane is formed by solution casting method. Due to the addition of high-strength polytetrafluoroethylene mesh cloth as a support layer and a perfluorosulfonic acid resin with suitable molecular weight and ion exchange capacity, the perfluorosulfonic acid reinforced membrane of PTFE type is compared with ordinary CM-10N series perfluorosulfonic acid. The sulfonic acid membrane effectively reduces the capacity loss caused by the mutual channeling of positive and negative solutions caused by membrane swelling, and greatly improves the chemical resistance and durability of the membrane itself. Widely used in: chlor-alkali industry, electrolysis of water for hydrogen production, chlorine dioxide generator, amino acid refining, gold salt preparation, copper recovery from etching solution and other fields.
PTFE reinforced perfluorinated ion exchange membrane
Length: 0~1000mm
Width:0~1000mm
Thickness: 220um
Conductivity: 0.1S/cm
Tensile strength: 45MPa (isotropic)
Acid capacity: 1.0meq/g
Density: 2.0g/cm³
Linear expansion rate: 2% (isotropic)
Elongation at break: 130%
Service life:> 100000h
Moisture content (23°C, 50% relative humidity): 5%
Water absorption (dry film soaked at 100℃ for 1 hour): 38%
length variable
23°C, 50% relative humidity, until water soaked, 23°C : 3%
23°C, 50% relative humidity, until water soaked, 100°C: 5%
Note: Membrane supplied dimensions are based on dry membrane product at 23°C and 50% relative humidity. The humidity and temperature of the air will affect its size, and we guarantee that the products that require our company to pretreat have positive tolerances.
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