jliltd

This. Baby powder in the USA has changed from talc to corn starch over the last 5 years since the big law suit against J&J on their baby powder. The rest of the World still uses talc in their baby powder because they know the J&J suit was settled prior to exonerating talc per the research. Back on point corn starch absorbs moisture, becoming corn pone. Which then dries hard in broken pieces the consistency of gravel. So if you use American baby powder you just set the path to have gravel between your tube and tire inner wall with a guaranteed flat in short order. ACS sells tire talc cheap. You can also buy European baby powder made from talc online.

Yes, they are both Butyl. But the quality is no where the same. The Desser (LeakGuard) are crap and they fail on the manufacturing molding lines. No amount of talc will save them from chaffing. So while the LeagGuards don’t leak (as their name implies) they do just pop out of the blue. Michelin Air Stops will never do that if air pressure is kept in a reasonable range, just like any inner tube. Final analysis is the cost difference for Michelin tubes is totally worth it.

Here is another reveal of how horrible QAA is. I would rather send an aircraft accessory to the local playground and let the kids knock it around with a bat than send anything to QAA.