|
Mechanical and physical properties |
|
Property |
Value |
| Density |
2.5 |
|
Hardness |
8.5(Moh’s) |
| Young’s modulus |
7 X 1010Pa |
|
Lateral deformation coefficient |
0.2 |
| Specific heat |
0.22Wh/kgK |
|
Linear expansion coefficient |
8.5 X 10-8mm/mK |
| Thermal
coefficient |
1W/m2K |
|
Refractive index of visible light |
1.52 |
|
|
|
Transparent float glass |
|
|
Electrical float glass |
Reflection glass (silver mirror) |
| Thickness (mm) |
6 |
6 |
|
Transmission rate of visible light |
| Transmissivity |
0.51 |
0.33 |
| Reflectivity |
|
0.51 |
|
Sunlight radiant heat |
| Reflection ratio |
0.10 |
0.28 |
| Absorption ratio |
0.36 |
0.29 |
| Direct
transmission rate |
0.54 |
0.43 |
| Total transmission
rate |
0.66 |
0.53 |
|
Masking coefficient |
| Short wave |
0.62 |
0.49 |
| Long wave |
0.14 |
0.12 |
| Total |
0.76 |
0.61 |
|
Heat transmission rate |
| U value (W/m2k) |
5.4 |
5.4 |
|
Sound insulation |
| Average (dB) |
29 |
29 |
| Weight (kg/m2) |
15 |
15 |
| Maximum dimension |
2640 X 6000 |
2640 X 6000 |
|
■Anti-wind strength is the same
as transparent float glass. |
|
光学元件
OCLI前反色镜
Properties of Float Glass
We
are the agency of American "OCLI"
