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RT-AA glass tube |
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Features:
It has the advantages of high absorption (0.8~0.92/AM1.5) and
low emittance(≤0.08/80℃±5℃), and normally it is used in the
civil solar water heaters extensively. Its selective absorption
layer adopts the graded AL-N cermet layer. Its film structure
is ALN/AL-N/AL-N/AL/AL-N (adhesion) which can work effectively
in the 200℃.
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