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  1. #1
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    “Breathability” Comparison of Commercial Outerwear Shell Layers

    Just ran across this. Thought it might be helpful to others when choosing or understanding some of their materials or gear choices.

    “Breathability” Comparison of Commercial Outerwear Shell Layers.pdf
    WileyC

  2. #2
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    Smile Great information!

    Looks like "Expanded PTFE" wins on both measures.

  3. #3

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    Quote Originally Posted by BBQDad View Post
    Looks like "Expanded PTFE" wins on both measures.
    I wonder what the "Expanded PTFE" tested was, since "Gore-Tex materials are typically based on thermo-mechanically expanded polytetrafluoroethylene (PTFE)...".

  4. #4
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    Quote Originally Posted by gmcttr View Post
    I wonder what the "Expanded PTFE" tested was, since "Gore-Tex materials are typically based on thermo-mechanically expanded polytetrafluoroethylene (PTFE)...".
    Not sure, Goretex may not be light, but I was looking at their newer products, and they seem to be doing pretty well with the military. Also noticed they have some new camo pattern http://www.optifade.com/hunting-gear...ex-fabric.html
    if you want to be stealthy
    WileyC

  5. #5
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    I wonder if the expanded PTFE is just the basic teflon layer not laminated to any fabric - sort of a baseline best permeability standard, but not strong enough by itself to use in the field. The other test materials all seem to have commercial product names associated with them.

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