Serial number | Test items | Technical index:High brightness |
1 | Solar reflectance≥ | 0.65 |
2 | Nearinfrared reflectance≥ | 0.80 |
3 | hemispherical reflectance≥ | 0.85 |
4 | Change rate of solar reflectance after pollution≤ | 20% |
5 | Change rate of solar reflectance after artificial climate aging≤ | 5% |
6 | L VALUE≥ | 80 |