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Viscosity and surface tension measurements of the liquid inks.
| H2O:PG Ratio (% v/v) |
THCl (mg/mL) | NA (mg/mL) | Kinematic Viscosity (mm2/s) | Dynamic Viscosity (mPa × s) | Surface Tension (mN/m) |
|---|---|---|---|---|---|
| 80:20 | - | - | 2.105 ± 0.02 | 2.157 ± 0.03 | - |
| 70:30 | - | - | 3.087 ± 0.06 | 3.173 ± 0.02 | - |
| 60:40 | - | - | 4.294 ± 0.04 | 4.476 ± 0.08 | 26.8 ± 0.05 |
| 60:40 | 200.0 | 12.0 | 5.356 ± 0.03 | 5.525 ± 0.01 | 28.4 ± 0.03 |
| 60:40 | 230.0 | 13.8 | 12.316 ± 0.07 | 12.598 ± 0.03 | - |
