| About |
|---|
| Optical grade with UV cut-off up to 400 nm, greater optical purity than standard grades. For needs of sunglass and sunvisor markets. MFR of 25.&& |
| Product Description | |
|---|---|
| Supplier | SABIC |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Availabilitys | North America,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 | 25 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.50 to 0.70 | % | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 62.1 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 110 | % | ASTM D638 |
| Bending modulus | |||
| 50 mm span | 2310 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 50 mm span | 93.1 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 640 | J/m | ASTM D256 |
| Dart impact equipped with measuring instruments | |||
| 23℃，Energy at Peak Load | 54.2 | J | ASTM D3763 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 6.4 mm | 127 | ℃ | ASTM D648 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| drying temperature | 121 | °C | |
| Drying time | 3.0 to 4.0 | hr | |
| Drying time, maximum | 48 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Suggested injection volume | 40 to 60 | % | |
| Temperature at the rear of the barrel | 249 to 271 | °C | |
| Temperature in the middle of the barrel | 260 to 282 | °C | |
| Front temperature of material barrel | 271 to 293 | °C | |
| Nozzle temperature | 266 to 288 | °C | |
| Processing (melt) temperature | 271 to 293 | °C | |
| Mold temperature | 71 to 93 | °C | |
| Back pressure | 0.345 to 0.689 | MPa | |
| Screw speed | 40 to 70 | rpm | |
| Exhaust hole depth | 0.025 to 0.076 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Type I, 2.0 in/min |
| 3. 0.051 in/min |
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