All-glass evacuated tubular collector with heat-pipe
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high borosilicate glass
Vacuum tubes assimilate the advanced 12 layers of spattering deposition of trivalent element technology, high borosilicate glass, and gradual change of ALN/AIN-SS/CU selective complex absorptive coating. And these make vacuum tubes have high performance of absorptive and low reflection ratio. Through the interlayer, vacuum has a unique effect of thermo, with its temperature up to 3800 of idle sunning, performing a strong heating ability.