Solar Vacuum Tube

We can provide solar vacuum tubes diameters from 47 to 137 milimeters，length from 1500mm to 2100mm, with the colors of blue, black, and purple-gold. We have the advantages of complete industrial chain from borosilicate glass tubes to solar vacuum tubes. We became one of the biggest solar vacuum tubes suppliers in the market since 2019, and the maximum annual production capacity is up to15million pieces.

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Tube Diameter	47mm/58mm/70mm/125mm/137mm
Tube Length	1500mm/1800mm/2100mm
Tube Color	Blue /Black/ Purple Gold
Tube Material	3.3 Borosilicate Gass
Selective Absorption Coating	SS-ALN/CU
Absorption Rate	Avg. 92%
Emission Rate	Less than 6%
Heat Loss	*<0.07W/(m2C)**
Vacuum Quality	*<3.010-3 Pa**