| About |
|---|
| MVR (330°C/2.16kg) 8 cm³/10 min; high viscosity; easy release; UV stabilized; ‘softening temperature (VST/B 120)=202 °C; injection molding – melt temperature 330 – 340°C; Lamp covers; Headlamp lenses&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good stripping performance,Good liquidity,High Viscosity |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.13 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 330℃，2.16kg | 8.0 | g/10min | ISO 1133 |
| Melt Volume Rate | |||
| 330℃，2.16 kg | 8.00 | cm³/10min | ISO 1133 |
| Shrinkage rate | |||
| TD：2.0 mm | 0.90 | % | |
| MD：2.0 mm | 0.90 | % | |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.30 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.12 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | |||
| -30℃ | 无断裂 | ||
| 23℃ | 无断裂 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 191 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 172 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| B120 | 202 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| MD：23~55℃ | 6.5E-5 | 1/℃ | |
| TD：23~55℃ | 6.5E-5 | 1/℃ | |
| Relative temperature index | 150 | ℃ | UL 746 |
| Electrical performance | 150 | ℃ | UL 746 |
| Impact mechanical performance | 130 | ℃ | UL 746 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+16 | ohms | IEC 60093 |
| Volume resistivity | |||
| 23℃ | 1.0E+17 | ohms·cm | IEC 60093 |
| Dielectric strength | |||
| 23 ℃，1 mm | 35 | kV/mm | IEC 60243-1 |
| Relative permittivity | |||
| 23℃，100 Hz | 2.90 | ||
| 23℃，1 MHz | 2.80 | ||
| Dissipation factor | |||
| 23℃，100 Hz | 1.0E-3 | ||
| 23℃，1 MHz | 9.0E-3 | ||
| Compared to the leakage tracing index | |||
| Solution A | 600 | V | |
| Solution B | 100 | V |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | HB | UL 94 | |
| Glowing wire flammability index | 800 | ℃ | IEC 60695-2-12 |
| Extreme oxygen index | 25 | % | ISO 4589-2 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.566 | ISO 489 | |
| Transmittance | |||
| 1000 µm | 89.0 | % | ISO 13468-2 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Electrolytic corrosion | |||
| 23℃ | A1 | IEC 60426 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Ball hardness | 130 | MPa | ISO 2039-1 |
| Tensile modulus | |||
| 23℃ | 2450 | MPa | ISO 527-1-2 |
| tensile strength | |||
| Yield, 23 ℃ | 76.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| Yield, 23 ℃ | 6.9 | % | ISO 527-2/50 |
| Nominal tensile fracture strain | |||
| 23℃ | > 50 | % | ISO 527-2/50 |
| Bending modulus | |||
| 23℃ | 2450 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 110 | MPa | ISO 178 |
| Process Conditions | |||
|---|---|---|---|
| Injection Molding | Nominal value | Unit | Test method |
| Injection speed | 200 | mm/s | |
| Melt Temperature | 330-340 | ℃ | |
| Standard melt temperature | 335 | ℃ | |
| Rear Temperature -Zone 1 | 295-305 | ℃ | |
| Middle Temperature -Zone 2 | 305-315 | ℃ | |
| Front Temperature -Zone 3 | 315-325 | ℃ | |
| Nozzle Temperature | 325-335 | ℃ | |
| Mold Temperature | 130-150 | ℃ | |
| Hold Pressure | 50-75 | %最大压力 | |
| Back Pressure | 50-150 | bar | |
| Screw Speed | 0.05-0.2 | m/s | |
| injection volume | 30-70 | % | |
| Drying Temperature | 130 | ℃ | |
| Drying Time | 2-3 | hr | |
| Maximum Moisture Content | ≤0.02 | % | |
| Vent Depth | 0.025-0.075 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 60x60x2 mm |
| 3. 0.079 in/min |
| 4. Procedure A |
| 5. Method A |
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