Table 3.
Injection molding parameters.
| Injection Molding Parameters | Square Plaque | Thick Plaque |
|---|---|---|
| Barrel Temperature profile (°C) | 180- 185- 185 -190 | 180- 185- 185 -190 |
| Mold Temperature (°C) | 25 | 25 |
| Injection Speed (mm/s) | Stage 1: Stage 2: Stage 3: Stage 4: Stage 5: |
25 (until 20% of shot volume) 25 (until 40% of shot volume) 35 (until 60% of shot volume) 45 (until 80% of shot volume) 55 (until 100% of shot volume) |
| Injection Pressure (bar) | 60 | 56 |
| Pack-hold Pressure (bar) | 30 | 55 |
| Pack-hold Time (s) | 20 | 30 |
| In-mold Cooling Time (s) | 30 | 25 |
| Back Pressure (bar) | 5 | 5 |
| Screw Rotation Speed (mm/s) | 40 | 40 |