Sell Three-Layer High Vacuum Tube

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Product Origin:China
Brand Name:gomon
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Description:1) Absorption improves by 12% 2) Transmission reduces by 30-40% 3) Heat is decreased little 4) High efficiency: higher heat result and intensify faster than ordinary tubes under same illumination condition 5) Compare to aluminum, ion of copper is lower than 0.2, so it can work normally under both high and low, under -30°C it can produce hot water as usual 6) Under high temperature it is especially good because of stainless steel ion 7) Membrane layer is able to bear high temperature, film storey is age and decay resistant, can change color under 400°C