| About |
|---|
| PBT仅用于复合/纤维。 不适用于注塑。 FDA标准。熔体粘度：21.6 kgf时的25℃为1450-1850 poise。 仅可用于本色（1001） |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good Dimensional Stability,Fatigue resistance |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| tensile strength | |||
| Yield, 50 mm/min | 50 | MPa | ISO 527 |
| Fracture, 50 mm/min | 49 | MPa | ISO 527 |
| Tensile strain | |||
| Yield, 50 mm/min | 3.2 | % | ISO 527 |
| Fracture, 50 mm/min | 8.6 | % | ISO 527 |
| Tensile modulus | |||
| 1 mm/min | 2600 | MPa | ISO 527 |
| bending strength | |||
| Fracture, 2 mm/min | 80 | MPa | ISO 178 |
| Bending modulus | |||
| 2 mm/mim | 2200 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 30 | J/m | ASTM D256 |
| -30℃ | 30 | J/m | ASTM D256 |
| Instrument control anti impact total energy 23 ℃ | 254 | cm-kgf | ASTM D 3763 |
| Impact strength of cantilever beam notch | |||
| 23℃，80*10*4 | 4 | kJ/m² | ISO 180-1U |
| -30℃，80*10*4 | 3 | kJ/m² | ISO 180-1U |
| Charpy Notched Impact Strength | |||
| 23℃，80*10*4 | 4 | kJ/m² | ISO 179/1eA |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | 167 | ℃ | ASTM D1525 |
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 64 mm span | 49 | ℃ | ISO 75/Af |
| Unannealed, 3.2 mm | |||
| 0.45 MPa | 120 | ℃ | ASTM D 648 |
| 1.8MPa | 49 | ℃ | ASTM D 648 |
| Linear coefficient of thermal expansion | |||
| MD：-40~40℃ | 7.6E-05 | 1/℃ | ASTM E831 |
| TD：-40~40℃ | 7.8E-05 | 1/℃ | ASTM E831 |
| MD：-40~40℃ | 7.6E-05 | 1/℃ | ISO 11359-2 |
| TD：-40~40℃ | 7.8E-05 | 1/℃ | ISO 11359-2 |
| Vicat Softening Temp | |||
| B50 | 173 | ℃ | ISO 306 |
| B120 | 169 | ℃ | ISO 306 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.31 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.2 mm | 1.5-2 | % | Internal Method |
| TD：3.2 mm | 1.5-2 | % | Internal Method |
| Melt Flow Rate | |||
| 250℃，2.16kg | 50 | g/10min | ASTM D1238 |
| Density | 1.31 | g/cm³ | ISO 1183 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.34 | % | ISO 62 |
| 23℃，50% RH | 00.08 | % | ISO 62 |
| Melt Volume Rate | |||
| 250℃，2.16 kg | 45 | cm³/10min | ISO 1133 |
| Apparent viscosity of melt | 1650 | poise | SABIC Method |
| Process Conditions | |||
|---|---|---|---|
| Injection molding | Nominal value | Unit | Test method |
| Drying temperature | 110-120 | °C | |
| Drying time | 4-6 | hrs | |
| Drying time (gradually increasing) | 8 | hrs | |
| Maximum water content | 0 | % | |
| Melt temperature | 245-260 | °C | |
| Temperature of material cylinder zone 1 | 200-230 | °C | |
| Temperature of Material Barrel-2 Zone | 240-255 | °C | |
| Temperature of material cylinder zone 3 | 240-275 | °C | |
| Temperature of cylinder 4 zone | 240-275 | °C | |
| Adapter temperature | 240-275 | °C | |
| Core temperature | 240-275 | °C | |
| Temperature of constant temperature water tank | 25-35 | °C | |
| Notes |
|---|
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