| About |
|---|
| PBT for compounding/fibers only. Not intended for injection molding. Biocompatible. Melt viscosity at 250C and 21.6kgf is 3500-4500 poise. Available in Natural color (1001) only.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Biocompatible |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Tensile modulus | 2530 | MPa | ASTM D638 |
| Tensile modulus | 2500 | MPa | ISO 527-1-2 |
| tensile strength | |||
| fracture | 45.0 | MPa | ISO 527-2/50 |
| fracture | 30.0 | MPa | ASTM D638 |
| yield | 56.0 | MPa | ASTM D638 |
| yield | 46.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| fracture | 60 | % | ISO 527-2/50 |
| fracture | 300 | % | ASTM D638 |
| yield | 3.0 | % | ISO 527-2/50 |
| yield | 3.6 | % | ASTM D638 |
| Bending modulus | 2150 | MPa | ISO 178 |
| 50 mm span | 2400 | MPa | ASTM D790 |
| bending strength | 77.0 | MPa | ISO 178 |
| bending strength | |||
| Yield, 50 mm span | 77.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 8.1 | kJ/m² | ISO 179/1eA |
| Impact strength of cantilever beam notch | ASTM D256 | ||
| -30℃ | 50 | J/m | ASTM D256 |
| 23℃ | 55 | J/m | ASTM D256 |
| Impact strength of cantilever beam notch | ISO 180/1A | ||
| -30℃ | 5.1 | kJ/m² | ISO 180-1A |
| 23℃ | 5.8 | kJ/m² | ISO 180-1A |
| Dart impact equipped with measuring instruments | |||
| 23℃，Total Energy | 35.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 64 mm span | 50.0 | ℃ | ISO 75-2/Af |
| 1.8 MPa, unannealed, 3.2 mm | 49.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed, 3.2 mm | 112 | ℃ | ASTM D648 |
| Vicat Softening Temp | 170 | ℃ | ASTM D1525 10 |
| Vicat Softening Temp | |||
| B50 | 170 | ℃ | ISO 306 |
| B120 | 171 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| TD：-40~40℃ | 8.0E-5 | 1/℃ | ASTM E831 |
| TD：-40~40℃ | 8.0E-5 | 1/℃ | ISO 11359-2 |
| MD：-40~40℃ | 7.7E-5 | 1/℃ | ASTM E831 |
| MD：-40~40℃ | 7.7E-5 | 1/℃ | ISO 11359-2 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.31 | g/cm³ | ASTM D792 |
| Density | 1.31 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 250℃，2.16kg | 21 | g/10min | ASTM D1238 |
| Melt Volume Rate | |||
| 250℃，2.16 kg | 19.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| TD：3.2 mm | 1.8 to 2.2 | % | Internal Method |
| MD：3.2 mm | 1.8 to 2.2 | % | Internal Method |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.34 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.080 | % | ISO 62 |
| Apparent viscosity of melt | 400 | Pa·s | Internal Method |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 110 to 120 | °C | |
| Drying time | 4.0 to 6.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Barrel 1 zone temperature | 200 to 230 | °C | |
| Barrel 2 zone temperature | 240 to 255 | °C | |
| Barrel 3 zone temperature | 240 to 275 | °C | |
| Barrel 4 zone temperature | 240 to 275 | °C | |
| Connector temperature | 240 to 275 | °C | |
| Melt temperature | 245 to 260 | °C | |
| Nozzle temperature | 240 to 275 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.20 in/min |
| 3. Type I, 2.0 in/min |
| 4. 0.051 in/min |
| 5. 0.079 in/min |
| 6. Yield |
| 7. 80*10*4 sp=62mm |
| 8. 80*10*4 |
| 9. 80*10*4 mm |
| 10. Rate B (120°C/h), Loading 2 (50 N) |
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