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  1. #1
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    Thoughts on a Milk Based Tire Sealant

    Given all the shortcomings of Stan's and other tire sealants, I was thinking it might be possible to make a tire sealant derived from milk. Casein, which makes up 80% of milk protein is used in making industrial strength glues, and the various fats and proteins in milk seem like they could create a sticky sealant that would work well.

    Milk also foams, which would allow the sealant to get on the sidewalls more easily. Milk sealants would work for people who are allergic to latex.

    Does anyone have any ideas relating to this or suggestions on how it could work? Has anyone tried using regular milk in a tire?

  2. #2
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    And the best part is that it would smell really good!

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    That's something I thought about. Does anyone know if there's any method of treating milk chemically so that it does not become rancid?

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    Adding some ricatta cheese to the milk would help with puncture sealing

  5. #5
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    Quote Originally Posted by michael1 View Post
    That's something I thought about. Does anyone know if there's any method of treating milk chemically so that it does not become rancid?
    lol... surely you're not serious.
    Quote Originally Posted by pvd
    Time to stop believing the hype and start doing some science.
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  6. #6
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    Thoughts on a Milk Based Tire Sealant

    Quote Originally Posted by michael1 View Post
    Given all the shortcomings of Stan's and other tire sealants, I was thinking it might be possible to make a tire sealant derived from milk. Casein, which makes up 80% of milk protein is used in making industrial strength glues, and the various fats and proteins in milk seem like they could create a sticky sealant that would work well.

    Milk also foams, which would allow the sealant to get on the sidewalls more easily. Milk sealants would work for people who are allergic to latex.

    Does anyone have any ideas relating to this or suggestions on how it could work? Has anyone tried using regular milk in a tire?
    If you're asking a serious question here......
    I would think it would dry out way too quickly.
    All out of S**** and down to my last F***

  7. #7
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    Ya know those stans stones that form in a tire with stans, Well you're probably gonna end up with cheese or butter in your tires after a ride.

  8. #8
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    Quote Originally Posted by meltingfeather View Post
    lol... surely you're not serious.
    Well, just maybe. Think of processed cheese-foods, that can outlive cock roaches eating twinkies....as if...

  9. #9
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    Thoughts on a Milk Based Tire Sealant

    All the shortcomings of Stan's? Versus milk?
    Many commercial glues use horse hoof gelatin. Has anyone put horses in their tires?!?
    Quote Originally Posted by pvd
    Time to stop believing the hype and start doing some science.
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  10. #10
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    Tire sealants (Jobst Brandt)

    From: jbrandt@hpl.hp.com (Jobst Brandt)
    Newsgroups: rec.bicycles.tech
    Subject: Re: Milk As A Tire Sealant
    Date: 9 Aug 1997 00:16:37 GMT

    Jeff Napier writes:

    > In response to another thread about the effectiveness of liquid tire
    > sealants, I have heard that ordinary milk works well. I haven't tried it
    > myself, probably because of a story an old-timer related.

    > Seems he and his brother, in the days when all common bicycles had
    > fit tires, put milk in their bike inner tubes - lots of milk because
    > they didn't know how much was enough. Months later, this fellow had
    > a blowout, which sprayed lots of the stinkiest old milk imaginable
    > all over him.

    Sounds like the experience I had in 1976 and reported here on
    wreck.bike. When I was riding my last Clement tubulars, that had poor
    stitch protectors that caused many pin hole leaks, my tires kept going
    flat. Knowing about the ability of the butterfat in milk to plug such
    holes, I poured a few ounces of milk, from a dairy on the Klausen pass
    in Switzerland, into my tire pump and pumped it into my tires. This
    solved my problem, but a few weeks later, back home, while riding to
    Santa Cruz with a bunch of bikies sitting on my wheel, I had a rear
    blowout and sprayed them with putrid milk, while I had a hard time
    controlling the bike as it slid around on the flat tubular like ice.

    This was my encounter with sealant and it taught me that Sealants are
    about as slick as butter inside a tube. You can try that by just
    feeling the slipperiness of a tube that has the stuff inside.

    Are you sure your tale didn't originate from my experience. The event
    sounds so similar.

    Jobst Brandt

  11. #11
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    Thoughts on a Milk Based Tire Sealant

    Slam some liquor in there during the holidays and make eggnog.
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  12. #12
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    This thread is LOL-worthy.
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  13. #13
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    Thoughts on a Milk Based Tire Sealant

    Chocolate milk might smell a bit better
    2011 Yeti 575 - 2015 Fox Float 36 RC2 160 / Fox Float X - 31.3 lbs

  14. #14
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    Milk Sealant is for real, according to this Denver-based tubeless blogger:

    "Despite years of success with road tubeless tires running traditional sealants, I am now convinced that milk is a superior substitute. I have since removed all of the commercial sealants from my bicycles and filled them up with milk straight from my refrigerator.. I tested skim milk, 2%, and whole milk..

    The best results were with whole milk as it has more fat to coagulate and seal the tire. The best results were experienced when I used milk from smaller, high end, boutique dairies.

    Go Tubeless: Milk Makes For The Best Road Tubeless Tire Sealant

  15. #15
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    Check the date of that blog's story..

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    Follow Up:

    This idea was for an open contest at the university I go to for a product that uses milk in a non-traditional way. I was notified a couple days ago that I one of the two second place winners.

  17. #17
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    Quote Originally Posted by michael1 View Post
    Follow Up:

    This idea was for an open contest at the university I go to for a product that uses milk in a non-traditional way. I was notified a couple days ago that I one of the two second place winners.
    I guess you must have done an incredible job of putting lipstick on a pig or presenting it as "out of the box," otherwise it doesn't reflect very well on the judging body.
    Was the other winner a person who thought of it?
    Quote Originally Posted by pvd
    Time to stop believing the hype and start doing some science.
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