| About |
|---|
| Description Low Thermal Conductivity, Chemical Resistance, High Heat Resistance Application Electrical or Electronic Parts&& |
| Product Description | |
|---|---|
| Supplier | LG Chemical |
| Generic | Syndiotactic Polystyrene |
| Material Status | Commercial: Active |
| Features | High Heat Resistance,Thermal conductivity,Solvent resistance,V-0 |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.45 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 290℃，2.16kg | 6.0 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.20 to 0.80 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, 3.20 mm | 118 | MPa | ASTM D638 |
| Bending modulus | |||
| 3.20 mm | 10800 | MPa | ASTM D790 |
| bending strength | |||
| 3.20 mm | 177 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 69 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed, 6.4 mm | 260 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed, 6.4 mm | 220 | ℃ | ASTM D648 |
| Thermal conductivity coefficient | 0.40 | W/m/K | ASTM C177 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+15 | ohms | IEC 60093 |
| Volume resistivity | |||
| 23℃ | 1.0E+17 | ohms·cm | ASTM D257 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | V-0 | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 to 140 | °C | |
| Drying time | 3.0 to 5.0 | hr | |
| Recommended maximum moisture content | 0.010 | % | |
| Barrel rear temperature | 260 to 300 | °C | |
| Barrel middle temperature | 270 to 320 | °C | |
| Barrel front temperature | 275 to 320 | °C | |
| Nozzle temperature | 315 | °C | |
| Processing (melt) temperature | 315 | °C | |
| Mold temperature | 80 to 130 | °C | |
| Back pressure | 0.981 to 2.94 | MPa | |
| Screw speed | 40 to 60 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.20 in/min |
| 3. 0.051 in/min |
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