Product Description
Qingdao Yuanding Group Co., Ltd(Known as QYD). was founded in 1966. it is a comprehensive manufacturing enterprise which was restructured by state-owned enterprises. Headquartered in the Central Business District of Qingdao City. QYD has seven investment holding companies and two manufacturing industrial parks in Qingdao which located in Chengyang and Jimo, covering an area of more than 400000square meter. There are about 1100 employees including 286 engineers and technicians. All the leading products have passed the ISO 9001:2000 international quality system certification. The company has more 300 million RMB of fixed assets, with annual sales reaching 600-700 million RMB.
QYD is a key-legal protection unit and a AAA-level credit enterprise and an advanced collective of building materials industry in Shandong Province,
a AAA-level credit enterprise and civilized unit in Qingdao City. Also a winner of the Shandong Quality Management Award.
Solar Direct Transmission: ≥91.6%
Light Transmittance: ≥92.4%
Iron Content (Fe2O3): ≤120ppm
Heat Conductivity (20ºC): 1.06w/m•K.
Overall Bow: ≤0.2%.
Density: 2.5g/cm3
Young's Modulus: 73GPa
Tensile Strength: 42MPa
Thermal Expansion Coefficient: 9.03*10-6
Softening Point: 720ºC
Annealing Point: 570ºC
Strain Pont: 500ºC.
Photovoltaic transmission ratio: the direct transmission ratio of
sunlight in the band range of 380 nm to 1100 nm in the response range of
crystalline silicon photovoltaic cells.
Thickness deviation: the difference between the thickness of the glass
and the nominal size.
Thickness difference: the difference between the maximum value and the
minimum value of the thickness measurement value in the same piece of
glass.
| Specification |
| Solar Direct Transmission |
|
≥91.6% |
| Light Transmittance |
|
≥92.4% |
| Iron Content (Fe2O3) |
|
≤120ppm |
| Heat Conductivity (20ºC) |
|
1.06w/m•K. |
| Overall Bow |
|
≤0.2%. |
| Density |
2.5g/cm3 |
| Young's Modulus |
|
73GPa |
| Tensile Strength |
|
42MPa |
| Thermal Expansion Coefficient |
|
9.03*10-6 |
| Softening Point |
|
720ºC |
| Annealing Point |
|
570ºC |
| Strain Pont. |
|
500ºC. |
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