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Thread: How reflective are thing?

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    Katherine
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    How reflective are thing?

    Hi, just a little info on how reflective thing's are:

    Aluminium foil is 55% reflective on the dull side, 70% reflective on the other. If it's creased it only reflects 35% of light.

    Mylar reflects 92-97% of light and 85% of heat.

    Foylon reflects 95% light and 85% heat.

    White paint reflects 75-85% of light, but does not reflect heat. This is only if it's flat and non-glossy. Glossy paints reflect only 55-65% light.

    Though it might be helpful
    Drosera Arcturi-The Alpine Sundew...

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    Capensis's Avatar
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    Say wha? Tin foil is only 55%!? I gots to get me some Mylar!
    http://www.terraforums.com/forums/image.php?type=sigpic&userid=6789&dateline=1352508752

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    billylh's Avatar
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    i dont know if it applies, but i know that foil can cause "hot spots" of light that could potentially burn the leaves.

    ~b

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    Doing it wrong until I do it right. xvart's Avatar
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    This information was established where and how?

    xvart.
    "The tragedy of life is not that every man loses; but that he almost wins."

    "Quis custodiet ipsos custodes?"

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    Katherine
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    Um... I typed in 'how reflective is tin-foil' um... how do I put this... did you know there's a marijuana F&Q as well? Yeah, well they had a lot of info on, um... reflectiveness... it's not like i'm going to use it to grow marijuana though!
    Drosera Arcturi-The Alpine Sundew...

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    Neps_N_Things's Avatar
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    They actually have the best info on pretty much anything to do with indoor plant growing. Thats where I turned for plant light ideas.

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    billylh's Avatar
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    Quote Originally Posted by billylh View Post
    i dont know if it applies, but i know that foil can cause "hot spots" of light that could potentially burn the leaves.

    ~b
    not with fluorescents though.

    ~b

  8. #8
    Doing it wrong until I do it right. xvart's Avatar
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    Thanks. I was just curious if you did some work with a light meter or something along those lines.

    xvart.
    "The tragedy of life is not that every man loses; but that he almost wins."

    "Quis custodiet ipsos custodes?"

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