| Name | Description |
|---|---|
| PEM | Proton exchange membrane |
| DuPontN112 | DuPontTM Nafion® N-112 |
| DuPontN115 | DuPontTM Nafion® N-115 |
| DuPontN117 | DuPontTM Nafion® N-117 |
| DuPontNE1110 | DuPontTM Nafion® NE-1110 |
| DuPontNE1135 | DuPontTM Nafion® NE-1135 |
| DuPontNRE211 | DuPontTM Nafion® NRE-1110 |
| DuPontNRE212 | DuPontTM Nafion® NRE-1110 |