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Viscosity values of the liquid inks.
| EtOH:PG Ratio (% v/v) | DNa (mg·mL−1) | Kinematic Viscosity (mm2·s−1) | Density (g·cm−3) | Dynamic Viscosity (mPa·s) | Surface Tension (mN·m−1) |
|---|---|---|---|---|---|
| 20:80 | - | 19.16 ± 0.03 | 0.923 ± 0.009 | 17.68 ± 0.04 | - |
| 40:60 | - | 9.08 ± 0.04 | 0.902 ± 0.010 | 8.19 ± 0.03 | - |
| 50:50 | - | 6.03 ± 0.07 | 0.868 ± 0.008 | 5.23 ± 0.03 | 25.7 ± 0.4 |
| 50:50 | 375.0 | 29.20 ± 0.05 | 0.982 ± 0.008 | 28.67 ± 0.04 | - |
| 50:50 | 227.3 | 18.29 ± 0.04 | 0.965 ± 0.007 | 17.64 ± 0.06 | 27.9 ± 0.5 |
