| About |
|---|
| TRIREX 3025A is a polycarbonate resin grade which has high low temperature impact strength in combination with superior mechanical and physical property. CHARACTERISTICS Superior low temperature impact resistance Good flow-ability Workable under a wide range of temperatures (-100°C ~ 135°C) High electrical performance Good dimensional stability Low moisture absorbency Good weather resistance APPLICATIONS TRIREX 3025A resin grade is used in electric and electronic applications, and it shows superior performance as the material for backlight panel of cellular phones. Medium viscosity. Transparent colors only.&& |
| Product Description | |
|---|---|
| Supplier | Samyang |
| Generic | Polycarbonate |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Good Dimensional Stability,Good Electrical Properties,Good liquidity,low-temperature impact resistance,Low moisture absorption,V-2 |
| Availabilitys | North 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 | 10 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD：3.0 mm | 0.50 to 0.70 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.15 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 68.6 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 120 | % | ASTM D638 |
| Bending modulus | 1960 | MPa | ASTM D790 |
| bending strength | |||
| yield | 86.0 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 830 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 125 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | |||
| MD | 5.0E-5 to 7.0E-5 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 4.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | 30 | kV/mm | ASTM D149 |
| Arc resistance | 120 | sec | ASTM D495 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | V-2 | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 3.0 to 5.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Barrel rear temperature | 245 to 270 | °C | |
| Barrel middle temperature | 260 to 285 | °C | |
| Barrel front temperature | 275 to 300 | °C | |
| Nozzle temperature | 275 to 310 | °C | |
| Processing (melt) temperature | 275 to 310 | °C | |
| Mold temperature | 65 to 105 | °C | |
| Back pressure | 0.250 to 0.700 | MPa | |
| Screw speed | 40 to 70 | rpm | |
| Vent depth | 0.020 to 0.080 | mm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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