| About |
|---|
| Product Description | |
|---|---|
| Supplier | Samyang |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.2 | g/cm³ | ASTM D792 |
| Shrinkage rate | 0.4-0.8 | % | ASTM D955 |
| Water absorption rate | |||
| 23℃，24hr | 0.15 | % | ASTM D570 |
| Melt Flow Rate | |||
| 300℃，1.2kg | 7 | g/10min | ASTM D1238 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 560 | kg/cm² | ASTM D638 |
| Tensile strain | |||
| Fracture, 50nn/min | 120 | % | ASTM D638 |
| bending strength | |||
| yield | 850 | kg/cm² | ASTM D790 |
| Bending modulus | |||
| 1.3mm/min | 20200 | kg/cm² | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 75 | kgf.cm/cm | ASTM D256 |
| -30℃ | 66 | kgf.cm/cm | ASTM D256 |
| -40℃ | 43 | kgf.cm/cm | ASTM D256 |
| -50℃ | 25 | kgf.cm/cm | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8MPa | 126 | ℃ | ASTM D648 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.70 mm | HB | UL 94 | |
| 1.5 mm | V-0 | UL 94 | |
| 2.5 mm | V-0，5VB | UL 94 | |
| 3.0 mm | V-0，5VA | UL 94 | |
| Igniting temperature of the hot wire | |||
| 1.0 mm | 875 | IEC 60695 | |
| 2.0 mm | 850 | IEC 60695 | |
| 3.0 mm | 850 | IEC 60695 | |
| Relative temperature of heating wire | |||
| 1.0mm | 960 | IEC 60695 | |
| 2.0mm | 960 | IEC 60695 | |
| 3.0mm | 960 | IEC 60695 | |
| CTI | 3 | UL746 |
| Process Conditions | |||
|---|---|---|---|
| Processing technology | Nominal value | Unit | Test method |
| drying temperature | 120 | ℃ | |
| Drying time | 3-4 | hr | |
| Suggested moisture content | ≤0.02 | % | |
| First stage temperature | 280-310 | ℃ | |
| Second stage temperature | 270-290 | ℃ | |
| Third stage temperature | 260-280 | ℃ | |
| Nozzle temperature | 270-310 | ℃ | |
| Melting temperature | 280-300 | ℃ | |
| Mold temperature | 65-105 | ℃ | |
| Screw speed | 40-70 | % | |
| Back pressure | 0.4-0.7 | MPa | |
| Depth of exhaust groove | 0.02-0.08 | mm | |
| Notes |
|---|
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