| About |
|---|
| MVR (330°C/2.16kg) 18 cm³/10 min; easy release; ‘softening temperature (VST/B 120)=183°C; easy-flowing; injection molding – melt temperature 330 – 340°C; Visors for firemen’s helmets&& |
| Product Description | |
|---|---|
| Supplier | Covestro |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Good liquidity,Good stripping performance,Flame Characteristics |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.15 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 330℃，2.16kg | 19 | g/10min | ISO 1133 |
| Melt Volume Rate | |||
| 330℃，2.16 kg | 18.0 | cm³/10min | ISO 1133 |
| Water absorption rate | |||
| Saturation, 23 ℃ | 0.30 | % | |
| Equilibrium, 23 ℃, 50% RH | 0.12 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 2450 | MPa | ISO 527-1-2 |
| tensile strength | |||
| Yield, 23 ℃ | 74.0 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| Yield, 23 ℃ | 6.6 | % | ISO 527-2/50 |
| Nominal tensile fracture strain | |||
| 23℃ | > 50 | % | ISO 527-2/50 |
| 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 | 173 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 158 | ℃ | ISO 75-2/A |
| Vicat Softening Temp | |||
| B120 | 183 | ℃ | ISO 306/B120 |
| Linear coefficient of thermal expansion | |||
| MD：23~55℃ | 6.5E-5 | 1/℃ | |
| TD：23~55℃ | 6.5E-5 | 1/℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+15 | ohms | IEC 60093 |
| Volume resistivity | |||
| 23℃ | 1.0E+16 | 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 | 8.0E-3 | ||
| Compared to the leakage tracing index | |||
| Solution A | 225 | V | |
| Solution B | 100 | V |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | V-2 | ||
| 3.00 mm | V-0 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.573 | ISO 489 | |
| Transmittance | |||
| 1000 µm | 89.0 | % | ISO 13468-2 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Electrolytic corrosion | |||
| 23℃ | A1 | IEC 60426 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Method A |
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