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Thread: 2" HDPE arches almost there

  1. #21
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    Default Re: 2" HDPE arches almost there

    Anyone of the German people here know where to get that kind of tubes in Germany?
    All I found here is either full black or white or not flexible.

    Thanks a lot

  2. #22
    Join Date
    Dec 2014
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    Default Re: 2" HDPE arches almost there

    Quote Originally Posted by Humbug View Post
    Anyone of the German people here know where to get that kind of tubes in Germany?
    All I found here is either full black or white or not flexible.

    Thanks a lot
    Maybe this one
    https://www.hula-hoop-shop.eu/Kunsts...20mm-Meterware


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  3. #23
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    Default Re: 2" HDPE arches almost there

    This would be my last option, if I won't find any other ones. OD is only 2cm.

  4. #24
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    Default Re: 2" HDPE arches almost there

    Quote Originally Posted by Humbug View Post
    This would be my last option, if I won't find any other ones. OD is only 2cm.
    I've done a side-by-side comparison of 1" HDPE versus 1" PEX (white).

    The PEX performed much better as far as color-diffusion goes.

  5. #25
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    Default Re: 2" HDPE arches almost there

    Quote Originally Posted by Bwinter View Post
    I've done a side-by-side comparison of 1" HDPE versus 1" PEX (white).

    The PEX performed much better as far as color-diffusion goes.
    So would you recommend PEX more than HDPE?


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  6. #26
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    Default Re: 2" HDPE arches almost there

    Quote Originally Posted by Bwinter View Post
    I've done a side-by-side comparison of 1" HDPE versus 1" PEX (white).

    The PEX performed much better as far as color-diffusion goes.
    What were you using for lights for this test?


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  7. #27
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    Default Re: 2" HDPE arches almost there

    I would say that PEX diffuses more than HDPE, but it also has a noticeably lower light transmission rate. I haven't tested this in a 1" size, but in a 2" size, the PEX doesn't let much light thru, but the HDPE transmits light very well. I would imagine that in the 1" size, HDPE would give a fair amount of hot spotting but PEX would be a lot more even.

  8. #28
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    Default Re: 2" HDPE arches almost there

    Quote Originally Posted by jchuchla View Post
    I would say that PEX diffuses more than HDPE, but it also has a noticeably lower light transmission rate. I haven't tested this in a 1" size, but in a 2" size, the PEX doesn't let much light thru, but the HDPE transmits light very well. I would imagine that in the 1" size, HDPE would give a fair amount of hot spotting but PEX would be a lot more even.
    I have my 1" PEX arches at 50%, so light transmission isn't a problem.

    The 1" HDPE transmits a comparably dulled color as compared to the PEX.

  9. #29
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    Default Re: 2" HDPE arches almost there

    Awesome thx for your explanation. It helps me out since Iím totally new to this rad decorating madness.

    One last question. Matt Johnsonís video mentioned 2Ē hdpe. Since Iím just getting into this, would 1Ē vs 2Ē make a huge difference?


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  10. #30
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    Default Re: 2" HDPE arches almost there

    Quote Originally Posted by Palussa View Post
    One last question. Matt Johnson’s video mentioned 2” hdpe. Since I’m just getting into this, would 1” vs 2” make a huge difference?
    No. Here's 1" arches:


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