DukeCanBuildit
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- First Name
- Duke
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This thread piqued my curiosity so I did a little reading up on tire browning/blooming…
As the OP, Rob, indicated, the brown stain on the sidewall of tires is commonly called “tire blooming”. Ozone and Oxygen are rubber’s enemies. Antiozonants and, sometimes, Antioxidants are added to the rubber compound to help tires last longer. When they rise to the surface, they turn the rubber brown. We want those additives in the rubber to keep our tires from drying out, cracking, and failing but we don’t like the blooming.
While silicone tire dressings do allow dust and dirt to stick to the sidewalls of tires, it turns out they are not the real reason tires turn brown. It’s really just dust and dirt but it’s brown and it’s on top of the browning from the additives and these products don’t do a great job of cleaning away the browning or preventing it. So, of course, we think the tire shine is the culprit.
Rubber conditioners are formulated to create a barrier that keeps the antiozonants and antioxidants from reaching the surface and turning brown. That’s likely why my initial impressions were that Aero Cosmetics Rubber Care removes the browning and doesn’t turn brown after it’s applied. I mean, it made sense at the time. ?
It’s quite likely that cleaning my tires really well is what removed the initial browning and regular use of the rubber conditioner is preventing the browning from recurring. I don’t use it every time I wash my vehicles, just when that brand new look is getting a bit gray and faded. ?
Do my tires look good. I think so
Are they easier to keep clean? Yep
Will they last longer? Maybe
Are they browning? Nope
As the OP, Rob, indicated, the brown stain on the sidewall of tires is commonly called “tire blooming”. Ozone and Oxygen are rubber’s enemies. Antiozonants and, sometimes, Antioxidants are added to the rubber compound to help tires last longer. When they rise to the surface, they turn the rubber brown. We want those additives in the rubber to keep our tires from drying out, cracking, and failing but we don’t like the blooming.
While silicone tire dressings do allow dust and dirt to stick to the sidewalls of tires, it turns out they are not the real reason tires turn brown. It’s really just dust and dirt but it’s brown and it’s on top of the browning from the additives and these products don’t do a great job of cleaning away the browning or preventing it. So, of course, we think the tire shine is the culprit.
Rubber conditioners are formulated to create a barrier that keeps the antiozonants and antioxidants from reaching the surface and turning brown. That’s likely why my initial impressions were that Aero Cosmetics Rubber Care removes the browning and doesn’t turn brown after it’s applied. I mean, it made sense at the time. ?
It’s quite likely that cleaning my tires really well is what removed the initial browning and regular use of the rubber conditioner is preventing the browning from recurring. I don’t use it every time I wash my vehicles, just when that brand new look is getting a bit gray and faded. ?
Do my tires look good. I think so
Are they easier to keep clean? Yep
Will they last longer? Maybe
Are they browning? Nope
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And when I do wash it, I put nothing on the tires.
