| About |
|---|
| Product Description | |
|---|---|
| Supplier | LG Chemical |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Specific volume | 1.2 | ASTM D792 | |
| Shrinkage rate | |||
| 3.2mm | 0.5 ~0. 7 | % | ASTM D955 |
| Melt Flow Rate | |||
| 300℃/1.2 kg | 15 | g/10min | ASTM D1238 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield 50mm/min | 620 | kg/cm² | ASTM D638 |
| Tensile strain | |||
| Fracture 50mm/min | 130 | % | ASTM D638 |
| bending strength | |||
| 10mm/min | 990 | kg/cm² | ASTM D790 |
| Bending modulus | |||
| 10mm/min | 23,200 | kg/cm² | ASTM D790 |
| Rockwell hardness | ASTM D-785 | ||
| R-level |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 85 | kg·cm/cm | ASTM D256 |
| -30℃ | 60 | kg·cm/cm | ASTM D256 |
| -50℃ | 48 | kg·cm/cm | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| Unannealed 18.6kg | 125 | ℃ | ASTM D648 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.5mm | V0 | class | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion molding | Nominal value | Unit | Test method |
| drying temperature | 100 ~ 120 | ℃ | |
| Drying time | 3 ~ 5 | hrs | |
| Minimum moisture content | 0.02 | % | |
| Melt Temperature | 295 ~ 315 | ℃ | |
| Cylinder temperature | |||
| Rear | 240 ~ 300 | ℃ | |
| Middle | 280 ~ 305 | ℃ | |
| Front | 295 ~ 315 | ℃ | |
| Nozzle temperature | 290 ~ 310 | ℃ | |
| Forming temperature | 75~90 | ℃ | |
| Back pressure | 10 ~ 40 | kg/cm2 | |
| Screw speed | 40 ~ 70 | rpm | |
| Notes |
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