Stan’s NoTubes and e*thirteen discuss glitter in tire sealant

Additives such as glitter, so why don’t manufacturers use them?

Tires
The one downside to mixing glitter in tire sealant is that it get’s everywhere.

The one downside to mixing glitter in tire sealant is that it gets everywhere (click to enlarge).

Mtbr: Have you found any negative side effects to adding glitter to your tire sealant?

Stan’s NoTubes: We’re not aware of any negative side effects other than that the glitter can be messy to install and/or to clean from rims and tires later.

Instead of glitter, e*thirteen uses ground black pepper as a sealant particle. They prefer this material because it doesn’t leave a mess and it’s environmentally friendly.

Instead of glitter, e*thirteen uses ground black pepper as a sealant particle. They prefer this material because it doesn’t leave a mess and it’s more environmentally friendly (click to enlarge).

Mtbr: Rather than glitter, what materials or substances in your sealant acts as a sealing particle, and how does it work?

Stan’s NoTubes: Our formulas are proprietary so we can’t disclose exactly what we use as the particulate to help seal punctures, but the basic premise is that the small particles are carried by the liquid sealant to the puncture site where they pack into the hole. Air pressure forces both the particles and liquid into the hole where all of the ingredients are compressed and trapped to form a small plug. As the liquid reacts with the air, the plug cures and becomes a permanent fix to the tire. A big part of what we’ve done is creating a sealant formula that is consistent. Sometimes that consistency is what you lose with other particles.

e*thirteen: Ground black pepper. It’s cheap and readily available like glitter, but it’s totally environmentally friendly, it washes off your bike with water, and it’s even a natural anti-microbial which prevents mold. Mold can be an issue with some of the less toxic formulas. We also use glass fibers, which are pretty common. The pepper and fibers are suspended is a solution with some acrylic resin, which together makes for a long-lasting, effective sealant with low environmental impact that’s non-corrosive to tires and bike parts.


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  • zamir says:

    here in mexico were ecofriendly and we use coffee!!!

  • James says:

    Anyone with young kids at home, particularly young girls, will tell you that the walls of hell are surely coated in glitter. I’ve tried to ban it from my house with little success, and I certainly would never voluntarily use it on anything bike related. Pure evil that stuff.

  • Butters says:

    I think Zamir is onto something. If e13 use black pepper, why not use old coffee grounds? Smart thinking… and its costs nothing.

    • Joe says:

      I think the idea behind the pepper was to prevent mold growth. I know for a fact coffee grounds grow mold — I found that out when I forgot to clean my coffee maker out one week. 😛

  • pjm says:

    Ground Flax seed…

  • Shark says:

    Corn meal works well for me in my home brew sealant.

  • bainey deali says:

    am finding it very difficult to mix ma home brew down here in Ghana and am completely lost about how dense my solution should be.

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