- Contact Person : Mr. Ma Edwin
- Company Name : Haining City Baoguang Heat Collection Tubes Co., Ltd.
- Tel : 86-573-87860877
- Fax : 86-573-87860677
- Address : Zhejiang,Email us: edwin4cnbg(at)hotmail.com,# 4 Yuanhua Industrial Zone,Haining City, Zhejiang 314416.China
- Country/Region : China
- Zip : 314416
evacuated solar collector tube
We supply full sizes of solar vacuum tubes,our tube products are mainly include Single-target coated tube (AL/AL-ALN coating) and Triple-target coated tube (Cu/Ss- AL-ALN coating).All tubes are made of borosilicate 3.3 glass.
BAOGUANG heat collector vacuum tube technical data:
a) This collector tube adopts magnetron sputtering coating technologyb) Sediment absorption coating (CU/SS-AL-ALN) which makes it has high absorptivity and very low emissivity.c) Specific absorption: α≥0.93~0.96 (AM1.5)d) Emission ratio: ε≤ 0.06 (80+5°C)e) Glass pressure of vacuum interlayer: p≤5 x 10-3Paf) Radiant exposure of close bask: H=3.7-4.2MJ/sq.m
g) Average heat waste coefficient: UIt≤.90W/ (sq.m°C)h) It can resist impact of metal ball (25mm)and could perform very well in cold area in winter
evacuated solar collector tube
