| About |
|---|
| Description High temperature, High stiffness Application Automotive, E&E Part&& |
| Product Description | |
|---|---|
| Supplier | LG Chemical |
| Generic | PPA |
| Material Status | Commercial: Active |
| Features | Good Rigidity,High Heat Resistance |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.50 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.31 | % | |
| TD | 0.62 | % | |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.20 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 3.20 mm | 230 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 3.20 mm | 2.3 | % | ASTM D638 |
| Bending modulus | |||
| 3.20 mm | 13400 | MPa | ASTM D790 |
| bending strength | |||
| 3.20 mm | 340 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 110 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 6.4 mm | 285 | ℃ | ASTM D648 |
| Melting peak temperature | 310 | ℃ | ASTM D3418 |
| Linear coefficient of thermal expansion | |||
| MD | 1.9E-5 | 1/℃ | |
| TD | 9.1E-5 | 1/℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 23℃ | 1.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | |||
| 23 ℃，1 mm | 23 | kV/mm | ASTM D149 |
| Compared to the leakage tracing index | |||
| Solution A | 600 | V | IEC 60112 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 100 to 120 | °C | |
| Drying time | 4.0 to 5.0 | hr | |
| Recommended maximum moisture content | 0.060 to 0.10 | % | |
| Barrel rear temperature | 300 to 320 | °C | |
| Barrel middle temperature | 310 to 330 | °C | |
| Barrel front temperature | 310 to 330 | °C | |
| Nozzle temperature | 320 to 340 | °C | |
| Processing (melt) temperature | 320 to 330 | °C | |
| Mold temperature | 100 to 140 | °C | |
| Back pressure | 14.7 to 29.4 | MPa | |
| Screw speed | 50 to 150 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 24 Hr |
| 3. 0.20 in/min |
| 4. 0.051 in/min |
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