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Thread: Cocoa powder hydrophobic property - GIF

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    Supporting Member Altair's Avatar
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    Cocoa powder hydrophobic property - GIF

    Cocoa powder hydrophobic property.




    Previously:

    Hydrophobic knife cutting droplet - GIF
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    carloski (Oct 14, 2022), durrelltn (Oct 16, 2022), nova_robotics (Oct 15, 2022), that_other_guy (Oct 18, 2022)

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    Supporting Member Frank S's Avatar
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    It's my understanding that many substances when ground to a very fine powder reacts in a similar fashion if the moisture content is at or very near zero.
    Or it will until enough time has passed to allow it to begin to absorb the moisture it may not expel the layer coated in liquid like the cocoa in the spoon did but close.

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    Supporting Member Ralphxyz's Avatar
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    What does poking it with a toothpick do?

    Ralph

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    Supporting Member Frank S's Avatar
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    Quote Originally Posted by Ralphxyz View Post
    What does poking it with a toothpick do?

    Ralph
    Breaks the surface tension of the liquid



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