| About |
|---|
| MVR (300°C/1.2 kg) 35 cm³/10 min; low viscosity; high optical transmittance; UV stabilized; easy release; LED Lighting, optics and lenses; injection molding – melt temperature 280 – 320°C&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good Clarity,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 | 1.19 | g/cm³ | ISO 1183 |
| Apparent density | 0.66 | g/cm³ | ISO 60 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 34.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| TD | 0.50 to 0.70 | % | ISO 2577 |
| MD | 0.50 to 0.70 | % | ISO 2577 |
| TD：280℃，2.0 mm | 0.70 | % | ISO 294-4 |
| MD：2.0 mm | 0.65 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.30 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.12 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23 ℃, localized fracture | 55 | kJ/m² | |
| Charpy Unnotch Impact strength | |||
| -60℃ | 无断裂 | ||
| -30℃ | 无断裂 | ||
| 23℃ | 无断裂 | ||
| Impact strength of cantilever beam notch | |||
| -30 ℃, completely fractured | 12 | kJ/m² | |
| 23 ℃, localized fracture | 65 | kJ/m² | |
| Multi axial instrumented impact energy | |||
| -30℃ | 60.0 | J | |
| 23℃ | 55.0 | J | |
| Multi axial instrumented peak impact force | |||
| -30℃ | 5900 | N | |
| 23℃ | 4900 | N |
| 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 |
| Glass transition temperature | 144 | ℃ | ISO 11357-2 |
| Vicat Softening Temp | |||
| B50 | 143 | ℃ | ISO 306 |
| B120 | 145 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| MD：23~55℃ | 6.5E-5 | 1/℃ | |
| TD：23~55℃ | 6.5E-5 | 1/℃ | |
| Thermal conductivity coefficient | |||
| 23℃ | 0.20 | W/m/K | ISO 8302 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+16 | ohms | IEC 60093 |
| Volume resistivity | |||
| 23℃ | 1.0E+16 | ohms·cm | IEC 60093 |
| Dielectric strength | |||
| 23 ℃，1 mm | 34 | kV/mm | IEC 60243-1 |
| Relative permittivity | |||
| 23℃，100 Hz | 3.10 | ||
| 23℃，1 MHz | 3.00 | ||
| Dissipation factor | |||
| 23℃，100 Hz | 5.0E-4 | ||
| 23℃，1 MHz | 9.0E-3 | ||
| Compared to the leakage tracing index | |||
| Solution A | 250 | V | |
| Solution B | 125 | V |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.584 | ISO 489 | |
| Transmittance | |||
| 1000 µm | 90.0 | % | |
| 2000 µm | 90.0 | % | |
| 3000 µm | 89.0 | % | |
| 4000 µm | 89.0 | % | |
| Haze | |||
| 3000 µm | < 0.50 | % | ISO 14782 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| ISO Shortname | PC,MRT,(,,)-24-9 | ISO 7391 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Ball hardness | 115 | MPa | ISO 2039-1 |
| Tensile modulus | |||
| 23℃ | 2350 | MPa | ISO 527-1-2 |
| tensile strength | |||
| Yield, 23 ℃ | 63.0 | MPa | |
| Fracture, 23 ℃ | 60.0 | MPa | |
| Tensile strain | |||
| Yield, 23 ℃ | 6.0 | % | |
| Fracture, 23 ℃ | 120 | % | |
| Nominal tensile fracture strain | |||
| 23℃ | > 50 | % | ISO 527-2/50 |
| Bending modulus | |||
| 23℃ | 2350 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 97.0 | MPa | |
| 3.50% strain, 23 ℃ | 73.0 | MPa | |
| Bending strain | 7.1 | % | ISO 178 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 60x60x2mm, 500 bar |
| 3. 0.079 in/min |
| 4. 2 mm/min |
| 5. Type 1, Edgewise, Notch A |
| 6. 3mm |
| 7. 3.2mm |
| 8. 10°C/min |
| 9. Across Flow |
| 10. Method A |
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