Three target Vacuum tubes
Three target Vacuum tubes for solar products as solar collector,solar water heater and so on.
Three target Vacuum tubes
Features: 1) Structure: All glass coaxial dual tube 2) Material: High borosilicate glass 3.3 3) Interferential coating: Copper, aluminum nitride
4)wall thickness:1.6mm or 2.0mm
Capabilities: A) Fast thermal collecting efficiency B) High heat resistance C) High cold resistance
Three target Vacuum tubes