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Reliable,efficient,twin-glass solar tubes heat pipe Copper heat pipes for rapid heat transfer

1) Length: 1800mm; thickness: 0.8mm

2) The manifold: made of red copper conducted by heat transfer medium liquid

3) The out casing: made of aluminum alloy mold material of high-strength with air flow design

4) Water can't flow into vacuum tubes

5) Resistant to high-pressure( 6bars)

6) Resistant to extremely cold or hot environment

7) environment protective, economic

8) To assemble many collectors together are permitted