| About |
|---|
| MVR (300°C/1.2 kg) 6.0 cm³/10 min; Extrusion; high viscosity; branched; UV stabilized; easy release; multi wall sheets / profiles; panels&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | High Viscosity,Good stripping performance,Weather resistance is good |
| Availabilitys | Latin America,Europe,Asia Pacific,Africa & Middle East ,North America |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ISO 1183 |
| Apparent density | 0.66 | g/cm³ | ISO 60 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 7.0 | g/10min | ISO 1133 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 6.00 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| TD | 0.60 to 0.80 | % | ISO 2577 |
| MD | 0.60 to 0.80 | % | ISO 2577 |
| TD：2.0 mm | 0.75 | % | ISO 294-4 |
| MD：2.0 mm | 0.70 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.30 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.12 | % | ISO 62 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| Water vapor transmittance | |||
| 23℃，85% RH，100 µm | 15 | g/m²/24 hr | ISO 15106-1 |
| Gas permeation | ISO 2556 | ||
| Carbon dioxide: 23 ℃, 25.4 µ m | 16900 | cm³/m²/bar/24 hr | ISO 2556 |
| Carbon dioxide: 23 ℃, 100.0 µ m | 3800 | cm³/m²/bar/24 hr | ISO 2556 |
| Nitrogen: 23 ℃, 25.4 µ m | 510 | cm³/m²/bar/24 hr | ISO 2556 |
| Nitrogen: 23 ℃, 100.0 µ m | 120 | cm³/m²/bar/24 hr | ISO 2556 |
| Oxygen: 23 ℃, 25.4 µ m | 2760 | cm³/m²/bar/24 hr | ISO 2556 |
| Oxygen: 23 ℃, 100.0 µ m | 650 | cm³/m²/bar/24 hr | ISO 2556 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 7391 | ||
| -30 ℃, completely fractured | 16 | kJ/m² | ISO 7391 |
| 23 ℃, localized fracture | 78 | kJ/m² | ISO 7391 |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -60℃ | No Break | ISO 179/1eU | |
| -30℃ | No Break | ISO 179/1eU | |
| 23℃ | No Break | ISO 179/1eU | |
| Impact strength of cantilever beam notch | ISO 180/A | ||
| -30 ℃, completely fractured | 14 | kJ/m² | ISO 180-A |
| 23 ℃, localized fracture | 74 | kJ/m² | ISO 180-A |
| Multi axial instrumented impact energy | |||
| 23℃ | 60.0 | J | ISO 6603-2 |
| Multi axial instrumented peak impact force | |||
| 23℃ | 5600 | N | ISO 6603-2 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 125 | ℃ | ISO 75-2/A |
| 0.45 MPa, unannealed | 138 | ℃ | ISO 75-2/B |
| Glass transition temperature | 146 | ℃ | ISO 11357-2 |
| Vicat Softening Temp | |||
| B50 | 146 | ℃ | ISO 306 |
| B120 | 145 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| TD：23~55℃ | 6.5E-5 | 1/℃ | ISO 11359-2 |
| MD：23~55℃ | 6.5E-5 | 1/℃ | ISO 11359-2 |
| 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 | IEC 60250 | ||
| 23℃，100 Hz | 3.10 | IEC 60250 | |
| 23℃，1 MHz | 3.00 | IEC 60250 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Extreme oxygen index | 28 | % | ISO 4589-2 |
| Burning rate | |||
| USFMVSS，> 1.00 mm | passed | ISO 3795 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.586 | ISO 489 | |
| Transmittance | ISO 13468-2 | ||
| 1000 µm | 89.0 | % | ISO 13468-2 |
| 2000 µm | 88.0 | % | ISO 13468-2 |
| 3000 µm | 88.0 | % | ISO 13468-2 |
| 4000 µm | 87.0 | % | ISO 13468-2 |
| Haze | |||
| 3000 µm | < 0.80 | % | ISO 14782 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Electrolytic corrosion | |||
| 23℃ | A2 | IEC 60426 | |
| ISO Shortname | ISO 7391-PC,ELS,(,,)-09-9 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 2400 | MPa | ISO 527-1-2 |
| tensile strength | |||
| Fracture, 23 ℃ | 70.0 | MPa | ISO 527-2/50 |
| Yield, 23 ℃ | 66.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| Fracture, 23 ℃ | 130 | % | ISO 527-2/50 |
| Yield, 23 ℃ | 6.3 | % | ISO 527-2/50 |
| Nominal tensile fracture strain | |||
| 23℃ | > 50 | % | ISO 527-2/50 |
| Tensile Creep Modulus（1 hr） | 2200 | MPa | ISO 899-1 |
| Tensile creep modulus | |||
| 1000 hr | 1900 | MPa | ISO 899-1 |
| Bending modulus | |||
| 23℃ | 2400 | MPa | ISO 178 |
| bending strength | ISO 178 | ||
| 3.50% strain, 23 ℃ | 74.0 | MPa | ISO 178 |
| 23℃ | 100 | MPa | ISO 178 |
| Bending strain | 7.0 | % | ISO 178 |
| Ball hardness | 115 | MPa | ISO 2039-1 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| Melt Temperature | 290 – 330 | ℃ | |
| Standard melt temperature | 310 | ℃ | |
| Temperature of the feeding section of the material pipe | 260 – 270 | ℃ | |
| Temperature of the middle section of the material pipe | 280 – 290 | ℃ | |
| Temperature of the front section of the material pipe | 290 – 300 | ℃ | |
| Nozzle temperature | 300 – 310 | ℃ | |
| Mold temperature | 80 – 120 | ℃ | |
| Maintaining pressure (actual maximum injection pressure) | 50 – 75 | % | |
| Melt back pressure | 50 – 150 | bar | |
| Screw speed | 0.05 – 0.2 | m/s | |
| Injection volume | 30 – 70 | % | |
| Drying temperature under dry air | 120 | ℃ | |
| Drying time in dry air | 2 – 3 | h | |
| Maximum moisture content (%) | ≤0. 02 | % | |
| Depth of exhaust groove | 0. 025 – 0. 075 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Pellets |
| 3. 60x60x2mm, 500 bar |
| 4. 0.079 in/min |
| 5. 2 mm/min |
| 6. Type 1, Edgewise, Notch A |
| 7. 3mm |
| 8. Notch A |
| 9. 10°C/min |
| 10. Across Flow |
| 11. Procedure A |
| 12. US-FMVSS |
| 13. Method A |
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