| About |
|---|
| MVR (300 °C/1.2 kg) 12 cm³/10 min; medical devices; suitable for sterilization with high-energy radiation; biocompatible according to many ISO 10993-1 test requirements; medium viscosity; easy release; injection molding – melt temperature 280 – 320 °C; available in color code 451118 only; transparent parts for medical devices&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Good stripping performance,Radiation disinfection,Biocompatible |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ISO 1183 |
| Apparent density | 0.66 | g/cm³ | ISO 60 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 13 | g/10min | ISO 1133 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 12.0 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 2577 | ||
| TD | 0.60 to 0.80 | % | ISO 2577 |
| MD | 0.60 to 0.80 | % | ISO 2577 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.30 | % | ISO 62 |
| Equilibrium, 23 ℃, 50% RH | 0.12 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 2400 | MPa | ISO 527-1-2 |
| tensile strength | |||
| Fracture, 23 ℃ | 75.0 | MPa | ISO 527-2/50 |
| Yield, 23 ℃ | 67.0 | 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 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| 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 | 12 | kJ/m² | ISO 7391 |
| 23 ℃, localized fracture | 65 | kJ/m² | ISO 7391 |
| Multi axial instrumented impact energy | |||
| 23℃ | 60.0 | J | ISO 6603-2 |
| Multi axial instrumented peak impact force | |||
| 23℃ | 5300 | N | ISO 6603-2 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 121 | ℃ | ISO 75-2/A |
| 0.45 MPa, unannealed | 133 | ℃ | ISO 75-2/B |
| Vicat Softening Temp | |||
| B50 | 143 | ℃ | ISO 306 |
| 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 |
| 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 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flash Ignition Temperature | 480 | ℃ | ASTM D1929 |
| Autoignition temperature | 550 | ℃ | ASTM D1929 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| ISO Shortname | ISO 7391-PC,MR,(,,)-18-9 |
| 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 | 100 – 200 | 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. Based on ISO 180-A, 3 mm |
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