| Index | Parameters |
| Thickness | 50±1 μm |
| Water Absorption | 20~30 % @ 20℃ |
| Tensile Strength | 40±5 MPa @ R.T. |
| Alkali Resistance Stability | Soaked in 1M NaOH solution at 80℃ for 2500h, no main chain degradation, cation degradation < 2% |
| Swelling Ratio | <1.5% |
| Chloride Ion Conductivity | >75 mS/cm @ 20℃ |
| Ion Exchange Capacity | 2.5±0.03 meq/g |
| Applicable pH | 45671 |
