One of the chemicals in plastic is a "plasticizer"...
On really hot days in a closed up vehicle it will "gas out" and redeposit itself on other surfaces inside the car, most notably seen as a film on the inside of the glass.... It also shows up as a sticky film on the outside of the plastic item...
Over time, when enough of the plasticizer is driven out of the plastic, the piece becomes brittle.... Cracks in plastic dashboards show up as a result...
On most hot summer days I'll lay a white towel over my dash to lower the temperature.... Lowering the windows a 1/4" also helps to lower the temperature...
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Metalman Well-Known MemberLifetime Supporter
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mrntd Well-Known MemberSupporting Member
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It may have been you got something on it that softened it. I had the soft touch finish on my mouse do the same thing after my wife used it. I think it was some kind of hand lotion.
With Ferraris and some other cars it's an additive in the plastic leaching out. Like the film that gets on the inside of the windshield.-
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Metalman Well-Known MemberLifetime Supporter
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Whales Well-Known MemberLifetime Supporter
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This happened to my glove box cover. The cover started peeling, felt sticky and looked like crap. I had it painted at my paint shop when they did my roof. It looks great now!
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I've found that most kinds of hand moisturizers and sunscreens also do not play well with automotive plastics - make sure you clean your hands well before touching any of the controls.
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Dave.0 Helix & RMW PoweredLifetime Supporter
Never heard of the happening had that has not happend on my car.
That's a new one. -
Thanks for the responses. It is so weird that only one part on my interior has done this, and from the responses, it seems like an anomaly.
It is really nasty to touch, so I guess I'll replace it. It will probably cost more than it should, but hopefully not too much.
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Dave.0 Helix & RMW PoweredLifetime Supporter
Sometimes you can find used ones for sale on M\A or the NAM.
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I stay away from super-oily sunscreens and bug repellent with DEET anyway. -
Dave.0 Helix & RMW PoweredLifetime Supporter
You need DEET at the Dragon when those little biting nats are out. They will eat you alive.
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mrntd Well-Known MemberSupporting Member
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I have some high DEET bug juice I got in Canada a long time ago for fishing. You don't let it get on your rain suit or your line.
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