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| Product Name: |
solar vacuum tubes
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| Supply Ability: |
100000 |
| Related proudcts |
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| Specifications |
gaodele |
| Price Term: |
fob |
| Port of loading: |
shanghai ningbo |
| Minimum Order |
10 |
| Unit Price: |
100-400USD |
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Main Features:
1. The biggest advantage: Using advanced megnetron sputtering skill on rete to make sure offer higher absorbility and lower emission.
2. The layer of metal is made of copper, which will offer lower emmission and higher heating aging.
3. High Thermostability: Stainless steel ion in replace of aluminium in absorbent bed to resist higher temperature.
4. The emmission is very stable even if interferometer coating increase temperature.
5. Increase of vacuum on interlayer, up to grade 10.
6. Large and high couverage of selective absorbing coating makes the absorbing and insulation effect of heat excellent.
7.Anti-cold: Advanced vacuum technology, 60 minutes strict exhaust through high temperature of 450 ℃, and truncate convection of heat radiation can make sure its normal working even below minus 40 ℃.
8. Longer working time: Co***re to the ordinary water heater vacuum tube, our soalr vacuum tube won't degrade pefermance even in long-time air drying.
Sediment Method: Three target magnetron sputtering plating Absorptivity: As=0.92~0.96(AM1.5)
Vacuum Degree: P¡Ü5.0*10-3£¨Pa) Hail Resistance: ¦µ25mm
Stagnation temperature (temperature inside of empty evacuated tubes): 260---300℃
Average heat loss: ULT 0.4W---0.6W/©O*℃ Presure endure: 1***
Raw-Material:
Borosilicate glass 3.3 is the basis material for productions of solar vacuum tube. All process steps for glass material are strictly abide by National Standard QB/T2436-99(Material glass for solar vacuum tube).This guaranteed the first-class technology and skill for producing raw glass tubes,and also ensured our vacuum tube products have the top quality.
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| Company: |
ZHEJIANG GAODELE NEW-ENERGY CO.,LTD
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| Contact: |
Mr. hunk liu |
| Address: |
liuli town liuli zoo |
| Postcode: |
314301 |
| Tel: |
86 573 86560999 |
| Fax: |
86 573 86560289 |
| E-mail: |
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