| About |
|---|
| Unreinforced Polybutylene Terephthalate&& |
| Product Description | |
|---|---|
| Supplier | DuPont |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Tensile modulus | 2750 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 58.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| yield | 11 | % | ISO 527-2 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 3.4 | kJ/m² | ISO 179/1eA |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 65.0 | ℃ | ISO 75-2/A |
| 1.8 MPa, unannealed | 55.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, annealed | 183 | ℃ | ISO 75-2/B |
| 0.45 MPa, unannealed | 150 | ℃ | ISO 75-2/B |
| Melting temperature | 225 | ℃ | ISO 11357-3 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Burning rate | |||
| 1 mm | < 100 | mm/min | ISO 3795 |
| FMVSS flame retardant rating | B | FMVSS 302 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.31 | g/cm³ | ISO 1183 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.9 | % | ISO 294-4 |
| MD | 1.9 | % | ISO 294-4 |
| Ejection temperature | 170 | ℃ |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time – hot air dryer | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.040 | % | |
| Processing (melt) temperature | 240 to 260 | °C | |
| Melt Temperature, Optimum | 250 | °C | |
| Mold temperature | 30 to 130 | °C | |
| Mold Temperature, Optimum | 80 | °C | |
| Hold pressure | 60.0 | MPa | |
| Back pressure | As low as possible | ||
| Drying Recommended | yes | ||
| Hold Pressure Time | 4.00 | s/mm | |
| Notes |
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