€3,350.00
Aquivion® D79-25BS is a high-performance water-based PFSA ionomer dispersion with a nominal polymer concentration of 25%. Designed for fuel cell, electrolyzer, and membrane-related applications, it provides excellent proton conductivity, chemical durability, and stable processing performance. The product is classified as corrosive and should be stored in a clean, temperature-controlled environment away from direct heat and sunlight.
| Physical | Typical Value | Unit | Test Method |
|---|---|---|---|
| Density (20°C) | 1.15 | g/cm³ | ASTM D1475 |
| Equivalent Weight (EW)1 | 790 ± 20 | g/eq | Internal Method |
| HSE / Transport Classification | Corrosive | – | – |
| Polymer Concentration – nominal | 25 | % | TGA |
| Solvent System – (% w/w) | 99% Water, free of ethers | – | – |
| Total Acid Capacity | 1.23 to 1.30 | meq/g | Internal Method |
| Viscosity (25°C) | < 25 | mPa·s | ASTM D2196 |
| Flammability | Typical Value | Unit | Test Method |
|---|---|---|---|
| Flammability – at ambient conditions | No | – | – |
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