Table 1.
Zirfon Perl UTP 500® mean features [19].
| Property | Value |
|---|---|
| Weight Density (g·cm−3) | 1 ± 0.2 |
| Thickness (µm) | 500 ± 50 |
| Maximum Temperature (°C, continuous operation) | 110 |
| Thermal stability at 100 °C (% shrinkage) | <1.5 |
| Shelf life (months, unopened packaged) | 12 |
| Porosity (%) | 50 ± 10 |
| Bubble point (bar) | 2 ± 1 |
| Pore size (µm) | 0.15 ± 0.05 |
| Gas Permeability (l/min·cm2 at 5 bar) | 4 ± 1 |
| Ionic Resistance (Ω·cm2 at 5 bar) | <0.3 |
| Maximum current density (kA/m2) | 20 |
| Maximum electrolyte strength (wt% KOH or NaOH) | 30 |
| Lifetime expectancy (years, under normal operating conditions) | >5 |