Nafion™ 115 PFSA membrane
- Brand: Chemours
- Product Code: FE010602
- SKU: FE010602
- Availability: In Stock
214.20€
- Ex Tax: 180.00€
Nafion™ membranes are often used to separate the anodes from cathodes in electrolysis reactors or fuel cells. The thickness of the cation exchange membrane makes Nafion™ 115 ideal for methanol fuel cells (DMFC). Nafion™ 115 is 127 μm thick.
Chemours® (formerly DuPont®) Nafion™ 115 membranes are unreinforced films based on chemically stabilized perfluorosulfonic acid / PTFE copolymer in its acid form (H+). The physical properties remain the same for the chemically stabilized membranes. Compared to the unstabilized polymer, these have a much lower fluoride ion release. This means improved chemical resistance. Nafion™ PFSA membranes are widely used for proton exchange membrane (PEM) in fuel cells and electrolysis reactors. The membrane acts as a separator and solid electrolyte in a variety of electrochemical cells. Typically, such cells require that the membrane selectively carry cations across the cell boundary. The polymer is chemically resistant and durable.
Pre-treatment may be required before using Nafion™ 115; please download the procedure.
The dimensions are 30x30 cm. We offer different versions of Nafion membranes. Please ask for an quote.
| Membrane Properties | |
| Thickness | 127 microns (5 mil) |
| Weight (g / m²) | 250 |
| Tensile Strenght - max. (MPa) | 43 (6.2) in MD, 32 (4.6) in TD - method: ASTM D 882 |
| Non-Standard-Module (MPa) | 249 (36) - method: ASTM D 882 |
| Elongation at Break (%) | 225 (MD), 310 (TD) - method: ASTM D 882 |
| Tear Strength - Start (g / mm) | 6000 (MD, TD) - method: ASTM D 1004 |
| Tear Strength - Proliferation (g / mm) | > 100 (MD), > 150 (TD) - method: ASTM D 1922 |
| Specific Weight (23 °C, 50% RH) | 1,98 |
| Available Acid Capacity (meq / g) | 0.90 min |
| Total Acid Capacity (meq / g) | 0.95 bis 1.01 |
| Conductivity (S/cm) | 0.10 |
| Membranolytic Properties | |
| Water Content (% Water) | 5.0 - method: ASTM D 570 |
| Swelling (% Water) | 38.0 - method: ASTM D 570 |
| Linear Expansion % Increase - 50% RH, 23 °C | 10.0 - method: ASTM D 756 |
| Linear Expansion % Increase - 50% RH, 23 °C to 100 °C | 15.0 - method: ASTM D 756 |
Tags: Nafion, perfluorosulfonic acid, PTFE, membrane, cation exchange membrane, proton exchange membrane, PFSA, DuPont, Chemours
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