| About |
|---|
| SUMIKASUPER LCP is a thermotropic liquid crystalline polyester, showing the highest heat resistance among engineering plastics. SUMIKASUPER LCP E6810 is 50% reinforced with a combination of glass fiber and inorganic filler.&& |
| Product Description | |
|---|---|
| Supplier | Sumitomo |
| Generic | 液态聚合物 |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Low warping,Excellent Processability,Good heat aging resistance,Good Dimensional Stability,High elastic,Low Viscosity,High Heat Resistance,Good bond,Solvent resistance,Welding,V-0 |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.81 | g/cm³ | ASTM D792 |
| Shrinkage rate | ASTM D955 | ||
| MD | 0.22 | % | ASTM D955 |
| TD | 0.66 | % | ASTM D955 |
| Water absorption rate | |||
| saturated | 0.020 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 6.4mm | 88 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 6.4 mm | 280 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 284 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | ASTM D696 | ||
| MD：50~150℃ | 1.1E-5 | 1/℃ | ASTM D696 |
| TD：50~150℃ | 6.5E-5 | 1/℃ | ASTM D696 |
| Relative temperature index | |||
| Electrical performance, 3.20 mm | 220 | ℃ | UL 746 |
| Impact mechanical performance, 3.20 mm | 200 | ℃ | UL 746 |
| 3.20 mm | 240 | ℃ | UL 746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+15 | ohms·cm | ASTM D257 |
| Dielectric constant | ASTM D150 | ||
| 1 kHz | 4.30 | ASTM D150 | |
| 1 MHz | 3.90 | ASTM D150 | |
| Dissipation factor | ASTM D150 | ||
| 1 kHz | 0.019 | ASTM D150 | |
| 1 MHz | 0.028 | ASTM D150 | |
| Arc resistance | 130 | sec | ASTM D495 |
| Compared to the leakage tracing index | 165 | V | UL 746 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.30 mm | V-0 | UL 94 | |
| Extreme oxygen index | 46 | % | ASTM D2863 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 103 | ASTM D785 | |
| tensile strength | 126 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 4.3 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 13500 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 134 | MPa | ASTM D790 |
| shear strength | 50.0 | MPa | ASTM D732 |
| Poisson’s ratio | 0.39 | ASTM E132 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 to 150 | °C | |
| Drying time | 3.0 | hr | |
| Proposed maximum recycled material ratio | 30 | % | |
| Barrel rear temperature | 300 to 320 | °C | |
| Barrel middle temperature | 320 to 350 | °C | |
| Barrel front temperature | 340 to 370 | °C | |
| Nozzle temperature | 340 to 370 | °C | |
| Mold temperature | 70 to 160 | °C | |
| Injection pressure | 78.0 to 157 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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