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Tire Shine: Helpful or Harmful?

2054 Views 19 Replies 13 Participants Last post by  KrazyX24
I've heard people say that tire shine will actually make the walls of the tires crack. Is this true?
Shiny tires always add that special look to the car but I don't want to damage them just for looks.
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Depends what the tire gloss product is comprised of.
Do not use armorall. Generally speaking, silicon based sprays =bad. Some are fine though. I've used Mothers for years with no noticeable ill effect.
I thought silicone was good for tires and it was petroleum distillates that are bad?

Found this somewhere via Google.
Good Silicone / Not so good Silicone:
a) Water - based silicone dressings, usually a milky-white liquid, (Polydimethylsiloxane (PDS)that doesn’t contain petroleum distillate; silicone oils, waxes, or solvents that can harm rubber and/or vinyl over time. Water-based dressings use a combination of natural oils and polymers to offer a non-greasy, satin finish. Some of these products also contain ultra violet radiation (UVR) blocking agents to help keep tires from cracking, fading and hardening. Most, if not all water-based dressings are environmentally friendly / biodegradable, whereas solvent-based silicone is not.

b) Solvent-based silicone dressings, usually a clear greasy liquid, (Dimethal (DMS) that contain petroleum solvents as a cleaning agent, they remove the elasticity from vinyl, rubber and paint; causing them to evaporate out of the substrate, leaving behind a dry inflexible surface. Most high gloss products are based upon DMS silicone oil, the difference between water and solvent based is in the carrier system used. Solvent based products use a hydrocarbon silicone to suspend the product. When you apply it, the solvent evaporates leaving the dressing's active ingredients (Silicone oil) behind; solvent-based silicone is not biodegradable.
I use Mother's Back to Black spray. It seems to last the longest & has the most shine. Best of all you just spray it and leave it.

There are better products out there, but the Mother's Back to Black is cheap and available pretty much anywhere.
I've been using Meguiars (bec I trust that brand) and my tires have been fine in the 3 yrs of owning my 3G.
i only use meguiars gel. Armor will ruin a tire and a dash in the texas heat
i've been using westley's bleachwhite. it shines the tires up enough for me.. i hate greasy tires..
i've been using westley's bleachwhite. it shines the tires up enough for me.. i hate greasy tires..
Over time that will erode the rubber and the oils in it and cause harm.
Over time that will erode the rubber and the oils in it and cause harm.
:agreed: It will and look like dry rot have seen it happen!
Yep, actually makes them turn nasty brown faster. I've on rare occasion used low gloss leather conditioner. It lasts a couple days and seems to be pretty gentle/water based. Makes them look nice for a car meet, otherwise I really don't care.
:agreed: It will and look like dry rot have seen it happen!
It actually dry rots it, it doesn't just look like it. It, from what I've heard, soaks up the oils inside the tires and then you tires are left without oils in them causing them to dry rot.


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It actually dry rots it, it doesn't just look like it. It, from what I've heard, soaks up the oils inside the tires and then you tires are left without oils in them causing them to dry rot.:agreed:


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Yep, actually makes them turn nasty brown faster. I've on rare occasion used low gloss leather conditioner. It lasts a couple days and seems to be pretty gentle/water based. Makes them look nice for a car meet, otherwise I really don't care.
Are there any brands of water based tire shiner you recommend?
Do not use armorall. Generally speaking, silicon based sprays =bad. Some are fine though. I've used Mothers for years with no noticeable ill effect.
Armorall is fine. I've used all their products for years. They had bad formulas in like the 70s. Not any more.
I think some of you hear things people say and urban legends and take them seriously...
Armor-all dashboard stuff is HORRIBLE. If you find a dashboard that it stiff and cracking, ask the seller what they used on it and you can probably guess the answer. They use petroleum, which shrinks and hardens plastics.

IMO, tires don't last long enough to really be effected by treatments. After a year or two they get replaced anyway... not like a dashboard, which in our case will be 8+ years old.
Bitter hit the nail in the head, its petroleum based liquids that breakdown rubber fittings, hoses and etc. Silicone is good for rubber, anytime im doing work on my engine and i have to remove a hose i hit it with a shot of silicone, keeps it from ripping, cracking and dry rotting. But more on topic i used Meugiers (spelling?) Tire gel (the purple) with this lil sponge they give u for the past year without any probs, hell stuff keeps them shining for like two wks.
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