solar vacuum tube collector
Product Details
8) It can resist impact of metal ball(25mm) and could perform very well in cold area in winter.
7) Average heat waste coefficient: ULT=0.4~0.6W/(m2.)
6) Radiant exposure of close bask: H=3.7~4.2MJ/m2
5) Glass pressure of vacuum interlayer: P
- Country:China (Mainland)
- telephone:86-573-87955588
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