HOMEMADE TIRE SEALANTS...

rumme

100 kW
Joined
Jan 28, 2011
Messages
1,110
Ive used powdered laundry starch with anti-freeze , but was wondering if others tried other mixtures with things like .

Ground pepper
glutter
small ground up pieces of rubber tire tube
etc.
 
My experience is limited to trying those that are available in the commerce. I have found that green slime does the job best for me. Since I use very little, the big bottle does last 2 years. Not a big enough expense IMO, to spend time trying various home receipes. Yet I am curious to see if some did have success.
 
I've wondered about doing the oatmeal trick, ( they used to put oatmeal in the radiator of a junk model t being sold, to fix the cracked block long enough to sell it) but the problem with food type stuff is it will rot. So you'd need some kind of poison in there to keep the starch from rotting. Maybe the antifreeze would do that, I don't know. Tequila and oatmeal?

I just consider slime a cost of riding, here in the land of one to two inch mesquite thorns. The problem though, is the longer thorns go in the bottom and out the top of the tube. And the slime only seals the top of the tube if you use a pint per tire. So I but that much in the back (motor wheel) tire.
 
Most homebrew (and commercial) sealant recipes I came across are Latex based.

You'll fined a lot of info if you search mountain bike forums and sites for DIY/homebrew tire/tubeless sealant.

https://www.google.com/search?q=homebrew+tubeless+sealant&rlz=1C1VFKB_enIL637IL637&oq=home+breaw+tubeless&aqs=chrome.1.69i57j0.7999j0j7&sourceid=chrome&ie=UTF-8

Avner.
 
+1 on above. MTBR had a looooooong thread that ran for years about sealants, and AIR, glitter was a good addition. When my friends ride MTB in specific desert areas in CA, everyone is required to use Stan's.
 
I've used an egg in a radiator before, and glitter, and black pepper. I'm not adverse to home remedies.
But for the cost of the small box of black pepper that lasted a few days, I bought a tube of radiator sealant (Bars leak) that has lasted 25 years (I still have that old MGB, it doesn't run but the radiator is still full)

Tire sealants like Slime are a generally latex compound or equivalent with some form of media to plug larger holes. That media often consists of larger chunks of a solid rubber along with supporting fibers like cotton.

you could make your own. but getting the ratios, sizes, and material combinations right is a science, researched by an R&D lab who spend a large amount of time and money experimenting, then years of "consumer lead product testing" (letting the consumer use it, revising it as issues come up) to get it right. You would need blind luck, or a budget of millions to make something just as good.

And the cost of a bottle of Slime is about what the cost of the materials to make it your self would be, give or take a couple bucks.
 
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