| About |
|---|
| 中等粘度，透明 |
| Product Description | |
|---|---|
| Supplier | LG Chemical |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Good Clarity |
| Availabilitys | Asia Pacific |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.2 | ASTM D792 | |
| Shrinkage rate | |||
| MD：3.2 mm | 0.5~0.7 | % | ASTM D955 |
| Melt Flow Rate | |||
| 300℃，1.20kg | 8 | g/10min | ASTM D1238 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, 3.2 mm, 50 mm/min | 55 | MPa | ASTM D638 |
| Tensile strain | |||
| Yield, 3.20 mm, 50 mm/min | % | ASTM D638 | |
| Fracture, 3.20 mm, 50 mm/min | 100 | % | ASTM D638 |
| bending strength | |||
| 10 mm/min | 850 | kJ/m² | ASTM D790 |
| Bending modulus | |||
| 10 mm/min | 21,000 | kJ/m² | ASTM D790 |
| Rockwell hardness | |||
| R-level | 118 | ASTM D785 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| Unannealed, 6.4 mm | |||
| 18.6kg | 128 | ℃ | ASTM D648 |
| 4.6kg | ℃ | ASTM D648 | |
| Vicat Softening Temp | |||
| B50 | 141 | ℃ | ASTM D1525 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 690 | J/m | ASTM D256 |
| -30℃，3.2mm | 690 | J/m | ASTM D256 |
| Process Conditions | |||
|---|---|---|---|
| injection molding | Nominal value | Unit | Test method |
| Drying temperature | 100 ~ 120 | ℃ | |
| Drying time | 3 ~ 5 | hrs | |
| Maximum water content | 0.02 | % | |
| Melt temperature | 300 ~ 320 | ℃ | |
| Temperature of the rear section of the barrel | 260 ~ 280 | ℃ | |
| Temperature in the middle section of the barrel | 280 ~ 300 | ℃ | |
| Temperature of the front section of the material barrel | 300 ~ 320 | ℃ | |
| Nozzle temperature | 300 ~ 320 | ℃ | |
| Mold temperature | 80 ~ 120 | ℃ | |
| Back pressure | 10~40 | kg/cm² | |
| Screw speed | 40 ~ 70 | rpm | |
| Notes |
|---|
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