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Principle:
The vacuum glass is made according to the principle of vacuum flask, which is to airproof the circumference of two pieces of flat glass and keep the space between them as 0.1-0.2mm with tiny props. Vacuum the space to make the pressure reach 10-4Pa. In order to optimize the function, one of the two pieces is double silver off-line LOW-E glass. Due to interior vacuum, the conduction and convection of gas nearly does not exist. LOW-E coating reflects almost more than 85% of the infrared back. The vacuum glass nearly interdicts the conduction, convection and eradiation, so its function in the aspect of heat preservation an beat insulation is superb! Aiming to reach the level of safe vacuum glass, the vacuum glass adopts compound of the tempered, IG, laminated glass and other deep processing techniques of glass.
Performance:
1, wind pressure resistance: it is double stronger than IG, which could also be compounded to safety glass. 2, renovation of old windows: it is light and thin for the energy saving reconstruction of the old window without replacing the ole fittings like frames and without destroying the existing internal and external decorations. 3, anti-ultraviolet radiation 4: electricity saving 5: super absolute heat preservation, comfortable 6: anti-dew-forming
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Vacuum Glass Performance Data
| Configuration (exterior→interior) |
Thickness (mm) |
Weight (kg/㎡) |
Allowed load (P×A) k N |
U value (W/㎡k) |
R value |
Weight-counted sound insulation quantity Rw(dB) |
Dew-forming temperature (℃) |
Ultraviolet radiation |
| Transmission(%) |
Reflectance (%) |
| 4C+V+4L Standard vacuum |
8 |
20 |
5.04 |
0.8 |
7 |
34 |
-22℃ |
28 |
15 |
| 4C+EVA+4C+V+4L Vacuum compound laminated glass |
12.16 |
30 |
6.42 |
0.8 |
7 |
35 |
-35℃ |
16.5 |
13.5 |
| 4T+9A+4C+V+4L Vacuum compound IG |
21 |
32 |
6.69 |
0.7 |
8.1 |
36 |
-42℃ |
23 |
16 |
| 4T+9A+4C+V+4L+9A+4T Vacuum compound double IG |
34 |
48 |
10.04 |
0.6 |
9.6 |
40 |
-46℃ |
20 |
17 |
| 4T+12A+4C+EVA+4C+V+4L Vacuum with laminated glass compound IG |
28 |
46 |
8.45 |
0.7 |
8.1 |
42 |
-42℃ |
13 |
17 |
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