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参考价
| 热性能 | 测试条件 | 测试方法 | 吉林中研股份/770GL20 |
|---|---|---|---|
| 熔融温度 | ISO 11357 | 343 °C | |
| 热变形温度 | 1.8 Mpa | ISO 75-f | 315 °C |
| 比热 | 23℃ | DSC | 1.7 kJ/kg /℃ |
| 线性热膨胀系数 | 低于Tg沿着流动方向 | ISO 11359 | 20 ppm/K |
| Tg（起始） | ISO 11357 | 143 °C | |
| 线性热膨胀系数 | 高于Tg沿着流动方向 | ISO 11359 | 22 ppm/K |
| 导热系数 | 23℃ | ISO 22007-4 | 0.3 W/m/K |
| 机械性能 | 测试条件 | 测试方法 | 吉林中研股份/770GL20 |
| 拉伸应变 | 断裂，23℃ | ISO 527 | 3.3 % |
| 弯曲模量 | 23℃ | ISO 178 | 8800 Mpa |
| 弯曲强度 | 断裂，23℃ | ISO 178 | 245 Mpa |
| 硬度 | 23℃ | ISO 868 | 85 D 级 |
| 拉伸强度 | 断裂，23℃ | ISO 527 | 155 Mpa |
| 物理性能 | 测试条件 | 测试方法 | 吉林中研股份/770GL20 |
| 密度 | 结晶 | ISO 1183 | 1.43 g/cm³ |
| 吸水率 | 平衡，23℃ | ISO 62-1 | 0.4 % |
| 收缩率 | TD | ISO 294-4 | 0.3 % |
| 熔体质量流动速率 | 380℃，5.0kg | ISO 1133 | 6.5 g/10min |
| 收缩率 | MD | ISO 294-4 | 0.8 % |
| 吸水率 | 23℃，24hr，3.2 mm厚拉伸棒 | ISO 62-1 | 0.05 % |
| 冲击性能 | 测试条件 | 测试方法 | 吉林中研股份/770GL20 |
| 简支梁无缺口冲击强度 | ISO 179/1U | 45 kJ/m² | |
| 简支梁缺口冲击强度 | ISO 179-1eA | 7 kJ/m² | |
| 悬壁梁无缺口冲击强度 | ISO 180/U | 60 kJ/m² | |
| 悬臂梁缺口冲击强度 | ISO 180/A | 7.5 kJ/m² | |
| 电气性能 | 测试条件 | 测试方法 | 吉林中研股份/770GL20 |
| 介电常数 | 23 ℃, 1 kHz | IEC 60250 | 3.1 |
| 介电强度 | 2 mm | IEC 60243-1 | 24 KV/mm |
| 体积电阻率 | 23 ℃，1V | IEC 60093 | 10^16 ohms·cm |
| 耗散因数 | 23℃，1 MHz | IEC 60250 | 0.005 |
| 相比漏电起痕指数 | IEC 60112 | PLC 4 |