| About |
|---|
| MVR (300 °C/1.2 kg) 19 cm³/10 min; medical devices; suitable for ETO and steam sterilization at 121 °C; biocompatible according to many ISO 10993-1 test requirements; low viscosity; easy release; injection molding – melt temperature 280 – 320 °C; available in transparent and opaque colors&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Biocompatible,Low Viscosity,Ethylene oxide disinfection,Steam sterilized,Good stripping performance |
| Availabilitys | Latin America,Europe,North America,Asia Pacific,Africa & Middle East |
| Process Methods | Injection Molding |
| 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 | 20 | g/10min | ISO 1133 |
| Melting Volume Flow Rate (MVR) (300 ℃/1.2 kg) | 19.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| TD | 0.50 to 0.70 | % | ISO 2577 |
| MD | 0.50 to 0.70 | % | ISO 2577 |
| TD：2.0 mm | 0.70 | % | ISO 294-4 |
| MD：2.0 mm | 0.65 | % | ISO 294-4 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.30 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.12 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 7391 | ||
| -30 ℃, completely fractured | 14 | 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 7391 | ||
| -30 ℃, completely fractured | 15 | kJ/m² | ISO 7391 |
| 23 ℃, localized fracture | 65 | kJ/m² | ISO 7391 |
| Multi axial instrumented impact energy | ISO 6603-2 | ||
| -30℃ | 65.0 | J | ISO 6603-2 |
| 23℃ | 55.0 | J | ISO 6603-2 |
| Multi axial instrumented peak impact force | ISO 6603-2 | ||
| -30℃ | 6000 | N | ISO 6603-2 |
| 23℃ | 5100 | 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 | 139 | ℃ | ISO 75-2/B |
| Glass transition temperature | 146 | ℃ | ISO 11357-2 |
| Vicat Softening Temp | |||
| B50 | 145 | ℃ | ISO 306 |
| B120 | 146 | ℃ | ISO 306/B120 |
| Ball pressure test | |||
| 138℃ | Pass | IEC 60695-10-2 | |
| 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 | |
| Dissipation factor | IEC 60250 | ||
| 23℃，100 Hz | 5.0E-4 | IEC 60250 | |
| 23℃，1 MHz | 9.0E-3 | IEC 60250 | |
| Compared to the leakage tracing index | |||
| Solution A | 250 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Extreme oxygen index | 28 | % | ISO 4589-2 |
| Flash point temperature | 480 | ℃ | ASTM D1929 |
| Autoignition temperature | 550 | ℃ | ASTM D1929 |
| 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 | 89.0 | % | 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 |
|---|---|---|---|
| ISO Shortname | ISO 7391-PC,MR,(,,)-18-9 |
| 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 ℃ | 65.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| Fracture, 23 ℃ | 130 | % | ISO 527-2/50 |
| Yield, 23 ℃ | 6.1 | % | ISO 527-2/50 |
| Nominal tensile fracture strain | |||
| 23℃ | > 50 | % | ISO 527-2/50 |
| Tensile creep modulus | |||
| 1000 hr | 1900 | MPa | ISO 899-1 |
| 1 hr | 2200 | MPa | ISO 899-1 |
| Bending modulus | |||
| 23℃ | 2350 | MPa | ISO 178 |
| bending strength | ISO 178 | ||
| 3.50% strain, 23 ℃ | 73.0 | MPa | ISO 178 |
| 23℃ | 97.0 | MPa | ISO 178 |
| Bending strain | |||
| 23℃ | 7.1 | % | ISO 178 |
| Ball hardness | 115 | MPa | ISO 2039-1 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| Melt Temperature | 280 – 320 | ℃ | |
| Standard melt temperature | 300 | ℃ | |
| Temperature of the feeding section of the material pipe | 250 – 270 | ℃ | |
| Temperature of the middle section of the material pipe | 270 – 290 | ℃ | |
| Temperature of the front section of the material pipe | 285 – 305 | ℃ | |
| Nozzle temperature | 270 – 305 | ℃ | |
| Mold temperature | 70 – 110 | ℃ | |
| Maintaining pressure (actual maximum injection pressure) | 50 – 75 | % | |
| Melt back pressure | 70 – 110 | bar | |
| Screw speed | 0.05 – 0.2 | m/s | |
| Injection volume | 30 – 70 | % | |
| Drying temperature under dry air | 120 | ℃ | |
| Drying time in dry air | 4 | 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. 60x60x2 mm, 500 bar |
| 4. 0,079 in/min |
| 5. 2 mm/min |
| 6. Based on ISO 179-1eA, 3 mm |
| 7. Based on ISO 180-A, 3 mm |
| 8. 10°C/min |
| 9. Cross-flow |
| 10. Procedure A |
| 11. Method A |
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