Samyang(三养)TRIREX PC ST2-3022U是一种非强化,耐气候聚碳酸酯，比重是1.19g/cm³，熔流率（熔体流动速率）(300°C/1.2 kg)15g/10min，有着优异的机械特性，很好的尺寸稳定性及良好的电气特性，应用于电器及电子机器，汽车及光学产业。
以下是PC(聚碳酸酯)ST2-3022U/Samyang(三养)物性表参数
| PROPERTY | UNIT | ASTM METHOD | TYPICAL DATA |
|---|---|---|---|
| Physical | |||
| Specific Gravity | - | D792 | 1.19 |
| Water Absorption (24 hours at 23℃) | % | D570 | 0.15 |
| Melt Flow Rate (300℃, 1.2kg) | g/10min | D1238 | 15 |
| MECHANICAL | |||
| Tensile Strength at yield | kgf/㎠ | D638 | 600 |
| Tensile Elongation at break | % | D638 | 160 |
| Flexural Strength at yield | kgf/㎠ | D790 | 900 |
| Flexural Modulus | kgf/㎠ | D790 | 20,000 |
| Izod Impact Strength, notched, 23℃ (1/8”) | kgf∙㎝/㎝ | D256 | 80 |
| Rockwell Hardness | R scale | D785 | 120 |
| THERMAL | |||
| HDT, 18.6 ㎏f/㎠ | ℃ | D648 | 130 |
| Coefficient of Linear Thermal Expansion | ㎜/㎜/℃ | D696 | 5.6 x 10-5 |
| ELECTRICAL | |||
| Volume Resistivity | Ω∙㎝ | D257 | 4E+16 |
| Dielectric Strength | kV/㎜ | D149 | 30 |
| Dielectric Constant | - | D150 | 2.85 |
| Dissipation Factor | - | D150 | 0.0092 |
| ARC Resistance | sec | D495 | 120 |
| OTHERS | |||
| Mold Shrinkage (3mm thickness) | % | D955 | 0.5~0.7 |
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