固化前性能 | QK-5508A | QK-5508 | |
外观Appearance | 无色透明液体 | 无色透明液体 | |
25度粘度viscosity(mpa.s) | 1000 | 800 | |
混合比例 mix Ratio by weight | 1:1 | ||
混合粘度viscosity after mixed | 950 | ||
可操作时间working time | >12h@25℃ | ||
固化后性能 (固化条件:120℃/30min 或 100℃/60min ) | |
硬度hardness(shore A) | 17 |
透光率Transmittance(%)450nm 1mm) | 97 |
折射率Refractive ratio | 1.43 |
热膨胀系数CTE(ppm/℃) | 220 |