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  1. #1
    mtbr member
    Join Date
    Apr 2009

    Sealant compatibilty??

    Wondering which sealants are compatible with each other and which will just gum up and form boogers.

    Reason for my question is I really like caffe latex for sealing a tubeless setup - the foaming formula works, seals pinholes and leaves a nice uniform coat on inside of tire without the ridiculous shaking other sealants require. But it sucks big time for sealing a hole or sidewall cut. Thinking of trying caffee latex to seal and then something else added after to hopefully help with riding induced punctures.

    I've heard read that stans and caffe latex is a no go. What about others?
    Orange Seal, Slime Pro, Bonty TLR??
    Is it simply synthetic latex + synthetic latex or natural latex + natural latex == OK and mixing is not or is there so other magic mystery that occurs?

  2. #2
    dwt is offline
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    Join Date
    Jul 2009

    Sealant compatibilty??

    Quote Originally Posted by dcp_nz View Post
    Is it simply synthetic latex + synthetic latex or natural latex + natural latex == OK and mixing is not or is there so other magic mystery that occurs?
    I'm no chemist but I believe and have read that mixing synthetic with natural doesn't work.

    As far as sidewall cuts, I have heard that Orange Seal actually is effective, but have never used it. IME nothing else will seal a bad cut or a gnarly wide puncture. I use a variation of MTBR mold builder natural latex based homebrew and have had more than one puncture where white liquid keeps squirting without clogging and pressure released. I now mix regular Slime into my brew for the particular purpose of puncture sealing. Haven't had to test it yet, knock on wood.

    What I did when the latex was squirting and not sealing was apply superglue to the hole from the outside, and that plus the latex coagulating on the inside works great. But you have to stop and fix, tough no wheel or tire removal necessary.

    The goal of course is for the sealant to clog the leak with minimal loss in pressure and without having to stop, dismount and fiddle.

    Maybe Orange Seal is the thing. Anyone know?
    Old enough to know better. And old enough not to care. Best age to be.

  3. #3
    mtbr member
    Reputation: madskatingcow's Avatar
    Join Date
    May 2006
    It really is simple :

    synthetic latex + synthetic latex == OK
    natural latex + natural latex == OK
    mixing != OK

    @dwt : Have you checked out the video of Caffelatex 'ZOT' at the bottom of this page?

    "Caffélatex ZOT! is an instant polymerization catalyzer for Caffélatex, useful in case of relevant tyre damages. When the damage size exceeds the maximum sealable by normal tyre sealants (around 5 mm) and Caffélatex sealant escapes the hole without repairing it, ZOT! can be injected through the damage: the catalyzed Caffélatex will then be able to repair damages up to 10 mm (well above the capacity of any liquid sealant)."

    I have been using the latest formula of Caffelatex for a month now and it really is stunning. Continental Race Kings in Racesport version sealed instantly. Only had to add some air at the end of the week, where Continental's Revo Sealant had me reinflating every morning the first two days.

  4. #4
    mtbr member
    Join Date
    Jun 2006
    Antifreeze based sealants such as slime will prevent you from using a rubber patch such as Rema. I had some sort of petroleum lubricant from a gas station hose dissolve all the glue on my patches and they came off on a tour.
    "Dish is illogical." Spoke of Vulcan.

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