Automotive Clear Glass
Performance parameters of clear glass
| Performance parameters of clear glass | ||||||||||||
| thickness | Visible light | sunlight | uv transmittance |
Near infrared transmittance |
Sum of transmittance of Solar energy |
Shading factor |
L* | a* | b* | |||
| transmittance | reflectance | direct transmittance |
direct reflectance |
|||||||||
| 1.8mm | 90.8 | 9.5 | 87.3 | 8.9 | 77.7 | 87.9 | 88.3 | 0.99 | 96.3 | -0.5 | 0.2 | |
| 2mm | 90.7 | 9.6 | 87.0 | 8.9 | 75.8 | 84.3 | 88.0 | 0.99 | 96.3 | -0.6 | 0.2 | |
| 2.1mm | 90.6 | 9.6 | 86.1 | 8.9 | 75.2 | 82.8 | 87.4 | 0.98 | 96.2 | -0.7 | 0.2 | |
| 2.3mm | 90.5 | 9.6 | 86.1 | 8.9 | 75.0 | 82.9 | 87.4 | 0.98 | 96.2 | -0.6 | 0.2 | |
| 2.5mm | 90.4 | 9.6 | 85.9 | 8.9 | 73.6 | 82.6 | 85.7 | 0.96 | 96.2 | -0.7 | 0.2 | |
| 3mm | 90.3 | 9.6 | 84.9 | 8.8 | 72.2 | 80.9 | 86.6 | 0.97 | 96.1 | -0.8 | 0.2 | |
| 3.2mm | 90.1 | 9.5 | 83.8 | 8.6 | 71.2 | 79.0 | 85.8 | 0.96 | 96.0 | -1.0 | 0.2 | |
| 3.5mm | 89.8 | 9.5 | 83.1 | 8.6 | 68.4 | 77.9 | 85.2 | 0.96 | 95.9 | -1.1 | 0.1 | |
| 4mm | 89.6 | 9.4 | 81.7 | 8.5 | 68.1 | 75.5 | 84.2 | 0.95 | 95.8 | -1.3 | 0.2 | |
| 5mm | 89.2 | 9.6 | 82.2 | 8.7 | 67.7 | 76.7 | 84.5 | 0.95 | 95.7 | -1.2 | 0.1 | |
| 6mm | 88.2 | 9.4 | 77.8 | 8.3 | 61.9 | 69.4 | 81.4 | 0.92 | 95.3 | -1.9 | 0.1 | |
| 8mm | 87.4 | 9.5 | 74.8 | 8.1 | 57.0 | 64.9 | 79.2 | 0.89 | 94.9 | -2.3 | 0.3 | |
| 10mm | 86.4 | 8.9 | 70.5 | 7.5 | 54.0 | 57.6 | 76.2 | 0.86 | 94.5 | -3.0 | -0.1 | |
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