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| Product Name: |
Vacuum tubes with heat pipe
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| Supply Ability: |
2600000pcs |
| Related proudcts |
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| Specifications |
47*1500mm,58*1800mm,58*2000mm,70*2000mm |
| Price Term: |
FOB, CNF, CIF |
| Port of loading: |
SHANGHAI, HANGZHOU, NINGBO |
| Minimum Order |
20feet container |
| Unit Price: |
FOB SHANGHAI USD6.00/SET |
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Solar Vacuum tubes
Structure:
Its structure is similar to a Dewar flask which has a double wall with a vacuum between the two walls. Each vacuum tube consists of two different size glass tubes are made of extremely strong 3.3 borosilicate glass with its high chemical and thermal shock resistance. The outer tube is tran***rent allowing light rays to pass through with minimal reflection. The exterior of the inner tube is coated with a sputtered selective coating (AL/N-AL or AL/CU-SS ) which features excellent solar radiation absorption and minimal reflection properties.
The top of the two tubes are melted together and the air contained in the annular ***ce between the two layers of glass tube is evacuated to eliminate conductive and convective heat loss. This is why the tubes are able to absorb the energy from infrared rays which can pass through clouds. Wind and low temperature would have less effect on the function of the vacuum tubes when co***red to flat plate system due to the insulating properties of the vacuum. |
| Company: |
ZHEJIANG JIADELE SOLAR ENERGY CO., LTD.
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| Contact: |
Ms. Sophia Zhu |
| Address: |
NO.3 Yanshan Road, Liuli Town |
| Postcode: |
314301 |
| Tel: |
0086 573 86565307 |
| Fax: |
0086 573 86565308 |
| E-mail: |
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