| About |
|---|
| MVR (300 °C/1.2 kg) 19 cm³/10 min; low viscosity; easy release; UV stabilized; variable content of filler for high reflectance application; injection molding&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Low Viscosity,Weather resistance is good,V-2,HB,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 | 1.24 to 1.34 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 300℃，1.2 kg | 19.0 | cm³/10min | ISO 1133 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 2500 to 2700 | MPa | ISO 527-1-2 |
| tensile strength | |||
| Fracture, 23 ℃ | 50.0 to 60.0 | MPa | ISO 527-2/5 |
| Yield, 23 ℃ | 60.0 | MPa | ISO 527-2/5 |
| Tensile strain | |||
| Fracture, 23 ℃ | 80 to 110 | % | ISO 527-2/5 |
| Yield, 23 ℃ | 5.5 | % | ISO 527-2/5 |
| Nominal tensile fracture strain | |||
| 23℃ | > 50 | % | ISO 527-2/5 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | |||
| 23℃ | No Break | ISO 179/1eU | |
| Impact strength of cantilever beam notch | |||
| 23 ℃, completely fractured | 15 | kJ/m² | ISO 7391 |
| Multi axial instrumented impact energy | |||
| 23℃ | 43.0 to 50.0 | J | ISO 6603-2 |
| Multi axial instrumented peak impact force | |||
| 23℃ | 4800 to 5100 | N | ISO 6603-2 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Vicat Softening Temp | |||
| B50 | 144 | ℃ | ISO 306 |
| Relative temperature index | |||
| Electrical performance, 1.50 mm | 125 | ℃ | UL 746 |
| Strength mechanical performance, 1.50 mm | 125 | ℃ | UL 746 |
| Impact mechanical performance, 1.50 mm | 115 | ℃ | UL 746 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 2.70 mm, white | HB | UL 94 | |
| 3.00 mm, white | HB | UL 94 | |
| 0.75 mm, white | V-2 | UL 94 | |
| 1.50 mm, white | V-2 | UL 94 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Light Reflection（4.00 mm） | 96.0 to 97.0 | JIS 8722 |
| 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. Based on ISO 180-A |
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