| About |
|---|
| Unreinforced High Viscosity Polybutylene Terephthalate Developed for Food Contact Applications and Extrusion and Injection Molding&& |
| Product Description | |
|---|---|
| Supplier | DuPont |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | High Viscosity,Food contact compliance,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Film extrusion |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Tensile modulus | 2600 | MPa | ISO 527-2 |
| tensile strength | |||
| yield | 59.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| yield | 8.0 | % | ISO 527-2 |
| Nominal tensile fracture strain | 50 | % | ISO 527-2 |
| Tensile Creep Modulus（1 hr） | 2500 | MPa | ISO 899-1 |
| Tensile creep modulus | |||
| 1000 hr | 1800 | MPa | ISO 899-1 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 4.5 | kJ/m² | ISO 179/1eA |
| 23℃ | 5.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | No Break | ISO 179/1eU | |
| 23℃ | No Break | ISO 179/1eU | |
| Impact strength of cantilever beam notch | |||
| 23℃ | 4.0 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, annealed | 60.0 | ℃ | ISO 75-2/A |
| 1.8 MPa, unannealed | 50.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, annealed | 180 | ℃ | ISO 75-2/B |
| 0.45 MPa, unannealed | 115 | ℃ | ISO 75-2/B |
| Vicat Softening Temp | |||
| B50 | 175 | ℃ | ISO 306 |
| Melting temperature | 225 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| TD | 1.4E-4 | 1/℃ | ISO 11359-2 |
| MD | 1.1E-4 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+12 | ohms | IEC 60093 |
| Volume resistivity | > 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | 26 | kV/mm | IEC 60243-1 |
| Compared to the leakage tracing index | 600 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Burning rate | |||
| 1 mm | < 100 | mm/min | ISO 3795 |
| Flame retardant level | UL 94 | ||
| 0.80 mm | HB | UL 94 | |
| 1.50 mm | HB | UL 94 | |
| Flammability level | IEC 60695-11-10, -20 | ||
| 0.8 mm | HB | IEC 60695-11-10, -20 | |
| 1.5 mm | HB | IEC 60695-11-10, -20 | |
| Extreme oxygen index | 22 | % | ISO 4589-2 |
| FMVSS flame retardant rating | B | FMVSS 302 | |
| Fogging（Gvalue，condensate） | 1.0E-4 | g | ISO 6452 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.30 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 250℃，2.16kg | 15 | g/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| TD | 1.7 | % | ISO 294-4 |
| MD | 1.7 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃, 2.00 mm | 0.40 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH, 2.00 mm | 0.20 | % | ISO 62 |
| Viscosity number | 130 | cm³/g | ISO 307 |
| Melt density | 1.12 | g/cm³ | |
| Ejection temperature | 170 | ℃ | |
| Specific Heat Capacity of Melt | 2050 | J/kg/℃ | |
| Thermal Conductivity of Melt | 0.25 | W/m/K |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | 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 | |
| Drying temperature | 110 to 130 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.040 | % | |
| Melt temperature | 240 to 260 | °C | |
| Extrusion Melt Temperature, Optimum | 250 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
| 3. FMVSS 302 |
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