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- Contact Person : Mr. chi xinjiang
- Company Name : Shandong Guangpu Solar Energy Project Co., Ltd.
- Tel : 86-632-5665199
- Fax : 86-632-5665158
- Address : Shandong,tengzhou,NO.156 south road shanguo tengzhou city
- Country/Region : China
- Zip : 277500
Diametre 120mm solar vacuum tube
Product Detailed
Related Categories:Other Solar Energy Related Products
Dianetre:120mm
Length:1000 mm
Coating : 3 layers
Coating color: blue ,violet gold
It apply the technology of Three-target Magnetron Sputtering ,it has the advantage of High absorption,High efficiency ,High temperature .The material of the glass can stand impact from the outer surrounding ,the age of the coating can up to 10 years more.
Glass mmaterial: borosilicate 3.3
Coating structure: SS-ALNx/Cu
Model: Φ120-1000mm
Color: Blue, Violet gold
Vacuum degree: P≤4.2×10-3(Pa)
Solar absorption efficiency: α=0.91-0.93(AM1.5)
Absorptivity emissivity ratio: εh =0.04-0.06(80°C±5°C)
The temperature of basking without water: Y=260~310 m2 °C / KW
Average heat loss coefficient: :ULT=0.4~0.5W / ( m2°C)
Diametre 120mm solar vacuum tube
