| About |
|---|
| Petra 140 is a 45% glass reinforced polyethylene terephthalate (PET) injection molding compound offering an increased level of strength, stiffness, high temperature performance, dimensional stability. Excellent resistance to creep under load, and maintains the inherent chemical and electrical properties associated with polyesters. Applications Petra 140 is generally recommended for applications such as load bearing structural housings and mechanical components.&& |
| Product Description | |
|---|---|
| Supplier | BASF |
| Generic | PET |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good flexibility,Good Dimensional Stability,Good Electrical Properties,High Heat Resistance,Solvent resistance |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.70 | g/cm³ | ASTM D792 |
| Density | 1.70 | g/cm³ | ISO 1183 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.20 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 12 | kJ/m² | ISO 179 |
| Impact strength of cantilever beam notch | |||
| 23℃ | 110 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 220 | ℃ | ISO 75-2/A |
| 1.8 MPa, unannealed | 225 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 242 | ℃ | ISO 75-2/B |
| Melting peak temperature | 245 | ℃ | ASTM D3418 |
| Melting temperature | |||
| DSC | 245 | ℃ | ISO 3146 |
| Linear coefficient of thermal expansion | |||
| MD | 2.2E-5 | 1/℃ | ASTM E831 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | > 1.0E+13 | ohms·cm | IEC 60093 |
| 1.50 mm | > 1.0E+13 | ohms·cm | ASTM D257 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 16200 | MPa | ISO 527-2 |
| tensile strength | |||
| Fracture, 23 ℃ | 180 | MPa | ISO 527-2 |
| Fracture, 23 ℃ | 180 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 3.0 | % | ASTM D638 |
| Fracture, 23 ℃ | 3.0 | % | ISO 527-2 |
| Bending modulus | ASTM D790 | ||
| -40℃ | 14500 | MPa | ASTM D790 |
| 23℃ | 13100 | MPa | ASTM D790 |
| 121℃ | 4690 | MPa | ASTM D790 |
| bending strength | ASTM D790 | ||
| 23℃ | 255 | MPa | ISO 178 |
| -40℃ | 370 | MPa | ASTM D790 |
| 23℃ | 285 | MPa | ASTM D790 |
| 121℃ | 110 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 116 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Processing (melt) temperature | 280 to 300 | °C | |
| Mold temperature | 100 to 110 | °C | |
| Injection pressure | 3.50 to 12.5 | MPa | |
| Injection speed | Fast | ||
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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