| About |
|---|
| Description General Purpose Applications Automotive(Engine Cover)&& |
| Product Description | |
|---|---|
| Supplier | LG Chemical |
| Generic | PA66 |
| Material Status | Commercial: Active |
| Features | HB |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.37 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.60 to 1.0 | % | ASTM D955 |
| Water absorption rate | |||
| 23℃，24hr | 0.80 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，6.4mm | 39 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed, 6.4 mm | 225 | ℃ | ASTM D648 |
| Melting peak temperature | 260 | ℃ | ASTM D3418 |
| Linear coefficient of thermal expansion | |||
| MD | 5.0E-5 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | |||
| 1 mm | 20 | kV/mm | ASTM D149 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.75 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Fracture, 3.20 mm | 76.5 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 3.20 mm | 5.0 | % | ASTM D638 |
| Bending modulus | |||
| 6.40 mm | 4900 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 6.40 mm | 118 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 115 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 80 to 100 | °C | |
| Drying time | 4.0 to 5.0 | hr | |
| Recommended maximum moisture content | 0.10 | % | |
| Barrel rear temperature | 265 to 275 | °C | |
| Barrel middle temperature | 270 to 280 | °C | |
| Barrel front temperature | 270 to 285 | °C | |
| Nozzle temperature | 270 to 295 | °C | |
| Processing (melt) temperature | 270 to 290 | °C | |
| Mold temperature | 80 to 110 | °C | |
| Back pressure 4 | 0.981 to 2.94 | MPa | |
| Screw speed | 60 to 150 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.20 in/min |
| 3. 0.051 in/min |
| 4. Hydraulic Type |
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