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| Product Name: |
Glass Vacuum Tube
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| Specifications |
GVT |
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Advanced technology:
Multi-layer magnetron sputtering gradation aluminum-nitrogen/aluminum sum selective absorption coating improve the heat collecting efficiency of high vacuum tube
Well material:
Vacuum tube is made of 3.3 high boron silicon glass tube that satisfies QB/T2346-99(idt) ISO4803-1978 standard,with high transmittance,well cold and thermal shock resistance and strong optics stability
Quality Assurance:
Strictly follows the national standards GB/T17049-1997 starting from raw material purchase to finished products, all the employees cooperate well and never allow any faulty products
Performance parameter of the vacuum tube
High collecting efficiency:magnetron sputtering gradation aluminum-nitrogen/aluminum sun selective absorption coating ,solar absorptance¨R0.93,heat emissivity¨Q6%,less heat loss and good heat preservation,
Good Thermal Efficiency
Hail Resistance: ¨Q§¶25mm
Working Pressure:0.6***
Working Life¨R15 years |
| Company: |
LongQuan Solar Energy Equipment Co.,LTD
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| Contact: |
Mr. Champion Chow |
| Address: |
ZhiXi Industry Park ,JinTan,Changzhou,Jiangsu Province |
| Postcode: |
213251 |
| Tel: |
86-0519-82446116 |
| Fax: |
86-0519-82446116 |
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