| About |
|---|
| MVR (300 °C/1.2 kg) 34 cm³/10 min; low viscosity; UV stabilized; easy release; injection molding – melt temperature 280 – 320 °C. For highest requirements on transmission and durability; optics, lenses, lens arrays and light guides in LED luminaires |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Low Viscosity,Good stripping performance |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | |||
| 23℃ | 1.19 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 34.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| MD：2.0 mm | 0.65 | % | ISO 2577 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 2350 | MPa | ISO 527-1-2 |
| Tensile stress | |||
| Yield, 23 ° C | 63.0 | MPa | |
| Fracture, 23 ° C | 60.0 | MPa | |
| Tensile strain | |||
| Yield, 23 ° C | 6.0 | % | |
| Fracture, 23 ℃ | 130 | % | |
| Nominal tensile fracture strain (23 ° C) | > 50 | % | ISO 527-2/50 |
| Bending modulus | |||
| 23℃ | 2350 | MPa | ISO 178 |
| Bending stress | |||
| 23°C | 97.0 | MPa | |
| 3.5% strain, 23 ° C | 73.0 | MPa | |
| Bending strain | 7.1 | % | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| -30℃ | 12 | kJ/m² | |
| 23℃ | 55 | kJ/m² |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 136 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 123 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| — | 143 | ℃ | ISO 306 |
| — | 145 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| MD：23~55℃ | 6.5E-5 | 1/℃ | |
| TD：23~55°C | 6.5E-5 | 1/℃ |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Glowing wire flammability index | |||
| 1.0 mm | 850 | ℃ | IEC 60695-2-12 |
| Hot filament ignition temperature (0.75 mm) | 875 | °C | IEC 60695-2-13 |
| Extreme oxygen index | 28 | % | ISO 4589-2 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.584 | ISO 489 | |
| Transmittance | |||
| 2000 µm | 90.0 | % | |
| 4000 µm | > 89.0 | % | |
| Haze | |||
| 3000 µm | < 0.50 | % | ISO 14782 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| Processing (melt) temperature | 280 | °C | |
| Mold temperature | 80 | °C | |
| Notes |
|---|
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