| About |
|---|
| Unfilled PBT, Hydrollytically Stable, Heat Stabilized, Impact Modified. A hydrollytically stable grade designed for improved performance under heat/humidity environments. Targeted at automotive underhood applications requiring USCAR-2 Class III humidity/heat performance.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | High impact resistance,Hydrolysis stability,High Heat Resistance,Moisture resistance,Heat Stabilized |
| Availabilitys | North America,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.29 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 250℃，2.16 kg | 26.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| TD：3.2 mm | 1.7 to 2.6 | % | Internal Method |
| MD：3.2 mm | 1.7 to 2.6 | % | Internal Method |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.34 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.080 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2430 | MPa | ASTM D638 |
| Tensile modulus | 2030 | MPa | ISO 527-1-2 |
| tensile strength | |||
| fracture | 37.0 24.3 | MPa | ASTM D638 |
| fracture | 73.4 | MPa | ISO 527-2/50 |
| yield | 50.7 | MPa | ISO 527-2/50 |
| yield | 49.4 54.0 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 37 | % | ISO 527-2/50 |
| fracture | 25 12 51 | % | ASTM D638 |
| yield | 4.0 3.5 | % | ASTM D638 |
| yield | 3.2 | % | ISO 527-2/50 |
| Bending modulus | 2030 | MPa | ISO 178 |
| 50 mm span | 2330 2360 2080 | MPa | ASTM D790 |
| bending strength | 73.0 | MPa | ISO 178 |
| bending strength | |||
| Yield, 50 mm span | 71.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 10 | kJ/m² | ISO 179/1eA |
| Impact strength of cantilever beam notch | ASTM D256 | ||
| 23℃ | 8.5 | kJ/m² | ISO 180-1A |
| -20℃ | 73 | J/m | ASTM D256 |
| 0℃ | 83 | J/m | ASTM D256 |
| 23℃ | 89 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| -30℃ | No Break | ISO 180/1U | |
| -30℃ | No Break | ASTM D4812 | |
| Dart impact equipped with measuring instruments | ASTM D3763 | ||
| -40℃，Total Energy | 60.0 | J | ASTM D3763 |
| 23℃，Total Energy | 61.0 58.0 48.0 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 64 mm span | 46.4 | ℃ | ISO 75-2/Af |
| 1.8 MPa, unannealed, 3.2 mm | 46.0 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed, 3.2 mm | 127 | ℃ | ASTM D648 |
| Vicat Softening Temp | |||
| B50 | 170 | ℃ | ISO 306 |
| B120 | 170 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| TD：-40~40℃ | 9.7E-5 | 1/℃ | ISO 11359-2 |
| MD：-40~40℃ | 9.1E-5 | 1/℃ | ISO 11359-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 60 to 77 | °C | |
| Drying time | 4.0 to 5.0 | hr | |
| Drying time, maximum | 8.0 | hr | |
| Recommended maximum moisture content | 0.050 | % | |
| Recommended injection volume | 40 to 80 | % | |
| Barrel rear temperature | 238 to 254 | °C | |
| Barrel middle temperature | 243 to 260 | °C | |
| Barrel front temperature | 249 to 266 | °C | |
| Nozzle temperature | 243 to 260 | °C | |
| Processing (melt) temperature | 249 to 266 | °C | |
| Mold temperature | 66 to 88 | °C | |
| Back pressure | 0.345 to 0.689 | MPa | |
| Screw speed | 50 to 80 | rpm | |
| Vent depth | 0.025 to 0.038 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 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 |
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