| About |
|---|
| Hopelex PC-1280R is low viscosity, high flowability, easy mold release polycarbonate, which is suitable for general injection applications. PC-1280R is especially designed for the purpose of easy mold release of small and complicated injection products.&& |
| Product Description | |
|---|---|
| Supplier | LOTTE |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | High liquidity,Low Viscosity,Good stripping performance |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.20 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 28 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.50 to 0.70 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 61.8 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 60 | % | ASTM D638 |
| Bending modulus | 2350 | MPa | ASTM D790 |
| bending strength | |||
| yield | 90.2 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 690 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 128 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 139 | ℃ | ASTM D648 |
| Vicat Softening Temp | 150 | ℃ | ASTM D1525 4 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.585 | ASTM D542 | |
| Transmittance | 89.0 | % | ASTM D1003 |
| Haze | < 0.80 | % | ASTM D1003 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Proposed maximum recycled material ratio | 20 | % | |
| Hopper temperature | 60 to 80 | °C | |
| Barrel rear temperature | 290 to 310 | °C | |
| Barrel middle temperature | 280 to 300 | °C | |
| Barrel front temperature | 270 to 290 | °C | |
| Nozzle temperature | 280 to 300 | °C | |
| Processing (melt) temperature | 290 to 310 | °C | |
| Mold temperature | 60 to 90 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. 0.39 in/min |
| 4. Rate B (120°C/h), Loading 2 (50 N) |
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