| |
|
 |
Descriptions: |
| |
|
| |
| Transmission over the visible spectrum |
equal to or greater than 88% |
| Transmission over the solar spectrum |
equal to or greater than 88% |
| Visible reflection |
less than 8% |
| Solar reflection |
less than 8% |
|
| |
|
|
Physical properties: |
| |
|
| Glass thickness |
3.2 ℃± 0.2 ℃ |
| Iron content |
Less than 0.04% |
| Maximum dimension |
1927 ℃× 2140 ℃ |
| Stress condition |
Annealed or tempered |
| Refractive index |
1.52 |
| Weight |
8 ℃ /sqm |
| Texture |
Satinlite |
|
| |
|
Notes: |
| |
|
| Solar range |
350nm to 2100nm |
| Visible range |
400nm to 750nm |
|
| |
| |
|
Thermal Properties : |
| |
|
| |
| Hemispherical Emissivity at 0 ℃ -150 ℃ (-18 ℃ -66 ℃ ) |
0.84 |
| Expansion Coefficient (Linear in the range of 25 ℃ to 300 ℃ ) |
per ℃ =9.03 × 10 -6
per ℃ =5.02 × 10 -6 |
| Specific Heat at 0 ℃ -100 ℃ |
0.2 |
| Calculated Thermal Conductivity at 20 ℃ in (watt/m 2 /k) |
1.04 |
| Softening Point |
722 ℃ |
| Annealing Point |
552 ℃ |
| Strain Point |
500 ℃ |
|
| |
|
|
Chemical Properties |
| |
|
| |
 |
| |
|
|
Spectral Data |
| |
|
| |
 |
| |
