| About |
|---|
| PBT, High Viscosity, Natural&& |
| Product Description | |
|---|---|
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | High Viscosity |
| Availabilitys | North America |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 to 1.32 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 235℃，2.16kg | 4.0 to 7.0 | g/10min | ISO 1133 |
| Shrinkage rate | 1.2 to 1.8 | % | ISO 294-4 |
| Viscosity value | |||
| Reduced viscosity | 128.0 to 132.0 | ml/g | ISO 1628 |
| water content | < 0.30 | % | ISO 1183 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 49.0 to 58.6 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | > 180 | % | ISO 527-2 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Notched impact strength of cantilever beam | |||
| 23℃ | > 59 | J/m | ISO 179 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 155 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 60.0 | ℃ | ISO 75-2/A |
| Melting temperature | 225 | ℃ | ISO 11357-3 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+13 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | |||
| 2 mm | > 20 | kV/mm | IEC 60243-1 |
| Arc resistance | 120 | sec | UL 746 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Barrel 1 zone temperature | 240 to 265 | °C | |
| Barrel 3 zone temperature | 240 to 265 | °C | |
| Barrel 5 zone temperature | 240 to 265 | °C | |
| Nozzle temperature | 250 to 265 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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