Table 3. Printing parameters for the different ink compositions.
| Sample | Pressure (MPa) | Printing speed (mm s−1) | Needle (internal diameter = ID) |
|---|---|---|---|
| CMCNB–CMCSH | 0.13 | 10 | Stainless steel needle |
| 3% (w/v) | ID = 0.4 mm | ||
| CMCNB–CMCSH | — | — | — |
| 1.5% (w/v) | |||
| CMCNB–ALGSH | 0.39 | 10 | Stainless steel needle |
| 3% (w/v) | ID = 0.4 mm | ||
| CMCNB–ALGSH | 0.07 | 15 | Stainless steel needle |
| 1.5% (w/v) | ID = 0.4 mm | ||
| CMCNB–GELSH | 0.63 | 15 | Plastic conic needle |
| 3% (w/v) | ID = 0.6 mm | ||
| CMCNB–GELSH | 0.55 | 10 | Plastic conic needle |
| 1.5% (w/v) | ID = 0.4 mm |