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    Our company high temperature solar vacuum tube and the advantages of simple introduction through

    2013/4/15      view:
    Our company high temperature solar vacuum tube and the advantages of simple introduction through.

    1 high absorption rate of the metal coating

    A. high efficiency selective coating absorption rate greater than 95%

    The B. emission rate ≤ 12%

    2 glass and metal sealing

    A. ensure that metal and glass expansion coefficient consistency at - 40 ℃ -400 ℃

    B. ensure that metal and glass sealing surface strength

    C. ensure that metal and glass seal airtight junction long-term use