| About |
|---|
| high thermal conductivity; injection molding – melt temperature 300 – 350°C; LED heat sinks (metal replacement); components for heat dissipation |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Thermal conductivity |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Tensile modulus | |||
| 23℃ | 6200 | MPa | ISO 527-1-2 |
| Tensile stress (fracture, 23 ° C) | 37.0 | MPa | ISO 527-2/5 |
| Tensile strain | |||
| Fracture, 23 ℃ | 1.0 | % | ISO 527-2/5 |
| Bending modulus | |||
| 23℃ | 7100 | MPa | ISO 178 |
| Bending stress (23 ° C) | 51.0 | MPa | ISO 178 |
| Bending strain | 1.0 | % | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | < 5.0 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | |||
| 23℃ | < 5.0 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | |||
| 23℃ | < 5.0 | kJ/m² | ISO 180-A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 147 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 141 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | 148 | ℃ | ISO 306/B50 |
| Linear coefficient of thermal expansion | |||
| MD：23~55℃ | 2.4E-5 | 1/℃ | |
| TD：23~55°C | 3.8E-5 | 1/℃ | |
| Thermal conductivity coefficient | |||
| 23℃ | 1.3 | W/m/K | ASTM E1461 |
| 23℃ | 14 | W/m/K | ASTM E1461 |
| — | 22 | W/m/K | ISO 22007-2 |
| RTI Imp | 130 | °C | UL 746 |
| RTI | 130 | °C | UL 746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 18 | ohms | IEC 60093 |
| Volume resistivity | |||
| 23℃ | 1.6 | ohms·cm | IEC 60093 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 2.00 mm | V-0 | UL 94 | |
| Glowing wire flammability index | |||
| 1.5 mm | 960 | ℃ | |
| 3.0 mm | 960 | ℃ | |
| Hot filament ignition temperature | |||
| 1.5 mm | 930 | °C | |
| 3.0 mm | 990 | °C | |
| Extreme oxygen index | 74 | % | ISO 4589-2 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | |||
| 23℃ | 1.42 | g/cm³ | ISO 1183 |
| Melt viscosity (330 ° C, 1000 sec ^ -1) | 169000 | mPa·s | ISO 11443-A |
| Notes |
|---|
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