solar vacuum tube
Product Details:
| Place of Origin | Zhejiang, China |
|---|---|
| Brand Name | BAOGUANG |
| Model Number | ST47-1800 |
Payment & Shipping Terms:
| Packaging Details: | Tubes packed in carton,with foam reinforced inside.(10,15,18,24 tubes/carton) .Customized carton design are available. |
|---|---|
| Delivery Time: | Delivery date: within 10 days |
| Supply Ability: | 30,000 Piece/Pieces per Day |
Detailed Product Description
BAOGUANG heat collector vacuum tube technical data:
1) Use material of borosilicate 3.3 glass.
2) Heat collector tube adopts magnetron sputtering coating technology
3) Sediment gradual change selectivity absorbing coat (Cu/Ss- AL-ALN) has very high absorptivity and very low emissivity for sun ray.
a) Sun absorptance: α≥0.93 (AM1.5)
b) Emission ratio: ε≤0.06 (80+5°C)
c) Temperature of open bask: ts≥220M2°C
d) Pressure of vacuum interlayer: p≤5 x 10-3Pa
e) Radiant exposure of close bask: H≤3.8MJ/sq.m
f) Average heat waste coefficient: UIt≤.90W/ (M2°C)
4) Can resist impact of hail 25mm and is suitable for cold area in winter
solar vacuum tube
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Company Info
Haining City Baoguang Heat Collection Tubes Co., Ltd.
[China]
[Verified Member]
City: Jiaxing
Province/State: Zhejiang
Country/Region : China
Business Type:Manufacturer
Online Postings: Products