| About |
|---|
| Description Light diffusion Application (LED) Lamp cover, Signboard Lighting decoration of electronic device&& |
| Product Description | |
|---|---|
| Supplier | LG Chemical |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Low Light Diffusion |
| Availabilitys | North America,Latin 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 | 11 | g/10min | ASTM D1238 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 130 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | |||
| MD | 6.8E-5 | 1/℃ | ASTM D696 |
| TD | 6.8E-5 | 1/℃ | ASTM D696 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.80mm | V-2 | UL 94 | |
| 1.60mm | V-2 | UL 94 | |
| 1.70mm | V-2 | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | 118 | R 级 | ASTM D785 |
| tensile strength | |||
| 23℃ | 61.8 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 100 | % | ASTM D638 |
| bending strength | |||
| 23℃ | 93.2 | MPa | ASTM D790 |
| Bending modulus | |||
| 23℃ | 2260 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 100 -200 | °C | |
| Drying time | 3.0-4.0 | Hr | |
| Water content | 0.02 | % | |
| Injection temperature | |||
| Rear barrel temperature | 260-280 | °C | |
| Central temperature of the barrel | 280-300 | °C | |
| Barrel front temperature | 290-310 | °C | |
| Die temperature | 290-310 | °C | |
| Mold temperature | 80-120 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 2.0 in/min |
| 3. 0.59 in/min |
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