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The mystery of rubber-vinyl degradation (inc. roof strips?) and so-called "protectants" 850 1995

Hi all,

There are a few essays on the web that state that silicon based products are really bad for certain parts of your car. These are by Larry Reynolds and appear on the BMW FAQ digest and the Car Care specialties Inc. website. I have done my best to find out what the story is with silicon based materials used as protectants and their involvement in the degradation of exterior rubber and vinyl dashes. Alas I have run into a dead end.

I hope somebody out there can help.

I have summarised the position on my website page as it is a little lengthy to post here. I sent an email to armor all, and obtained material safety data sheets from Meguiars. There were no answers forthcoming from Larry Reynolds despite email requests to clarify.

Has anybody else got the feeling that silicon based products could be a problem for common materials usedon cars, or maybe anecdotal evidence? I wonder whether the roof strips that so often peel on 850s might also be responding to an attack by some protectant or polish?







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New The mystery of rubber-vinyl degradation (inc. roof strips?) and so-called &quot;protectants&quot; [850][1995]
posted by  someone claiming to be Michael from Sydney  on Wed Feb 21 16:23 CST 2001 >


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