all-glass evacuated glass tube ,solar collector evacuated/vacuum tube

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all-glass evacuated glass tube

Guangpu Solar Energy Project Co., Ltd.

Selling Lead

all-glass evacuated glass tube - Dec, 18 2009

material:borosilicate 3.3
coating:SS-AlN/Cu
absorption:0.90-0.95(AM1.5)
47/1500
58/1800/1900
there are two vacuums in the tube, the one in the inner tube and the one between the inner and the outer tube. there is not water flow in the tube so there is no need to worry about freezing. heat transfer fluid in the inner tubevaporizes to transfer the heat energy.

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