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Injection Molding Process Data: PBT (Polybutylene Terephthalate)
Injection molding process parameters for thermoplastics — melt temperature, mold temperature, injection pressure, drying conditions, shrinkage, and wall thickness guidelines
| material | draft angle deg (deg) | drying required | drying temp C (degC) | drying time hr (hr) | injection pressure typical MPa (MPa) | material family | max wall thickness mm (mm) | melt temp max C (degC) | melt temp min C (degC) | min wall thickness mm (mm) | mold shrinkage pct max (%) | mold shrinkage pct min (%) | mold temp max C (degC) | mold temp min C (degC) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PBT (Polybutylene Terephthalate) | 1.5 | Yes | 120 | 4 | 90 | semicrystalline engineering | 6 | 270 | 230 | 0.8 | 1.5 | 0.3 | 80 | 40 |
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