Solar Vacuum Tube

We provide solar vacuum tubes with diameters from 47 to 137 mm and lengths from 1500 mm to 2100 mm, in blue, black and purple-gold. With a complete industrial chain from borosilicate glass tubes to finished vacuum tubes, we have been one of the biggest suppliers in the market since 2019, with an annual capacity of up to 15 million 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**