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Preservative for rubber and plastic? 200 1992

posted by  someone claiming to be Dharvey on  Tue Feb 18 16:16 CST 2003 [RELATED]

Is there anything that I can put on exposed rubber and plastic parts to keep them from drying out and cracking apart? The notorious window sill scrapers and radiator hoses (including the little PITAs at the firewall) and intake bellows and padded dash and even bumper covers would all last longer, I'm sure, if they were treated with the right preservative occasionally--if there is such a "right" treatment.

In the past I've experimented with high-viscosity silicone lubricant. It does make rubber and plastic *look* renewed. But I also recall someone on the board mentioning, in a thread on some other subject, don't use silicone on rubber.

Does anyone have the straight skinny on this?

Thanks for any help you can provide.

Doug Harvey








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    Preservative for rubber and plastic? 200 1992

    posted by  pablos on  Thu Feb 20 00:04 CST 2003
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    last visit: Tue May 22 00:43 CST 2001
    [RELATED]

    Some of the products mentioned below are good. My only statements are about things that harm plastic/rubber. 1) Anything with a solvent is not good for plastic/rubber - this includes some silicone treatments 2) Anything with ammonia or organo-ammonia compounds are extremely hard on plastic (keep the Windex off the dash, for sure) 3) As mentioned UV light is a big nasty
    --
    http://www.fidalgo.net/~brook4/oilslubesfilters.html








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    Preservative for rubber and plastic? 200 1992

    posted by  Steve on  Wed Feb 19 12:36 CST 2003
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    last visit: Fri Oct 24 07:16 CST 2014
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    Formula 303, available at boat stores and marinas. Great UV block and does not ruin vinyl or rubber substrates.








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    Preservative for rubber and plastic? 200 1992

    posted by  old244 on  Wed Feb 19 02:28 CST 2003
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    last visit: Thu Jan 17 02:44 CST 2008
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    Doug,

    I have used ArmorAll in the past, now use Vinylex or Griot's Garage Rubber preservative (also good for vinyl). These are non-silicone based, work really well. The big key (especially for rubber) is to have a clean surface - sunlight does oxidize the rubber. Griot's Garage also has rubber cleaner to prep the surface before applying preservative.

    Jeff








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      Preservative for rubber and plastic? 200 1992

      posted by  Zee on  Wed Feb 19 21:16 CST 2003
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      last visit: Sat Oct 27 10:07 CST 2012
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      From the 700/900 FAQ......

      http://www.brickboard.com/FAQ/700-900/BodyPaint.htm#RubberTrimPreservative
      --
      1989 740Ti 1986 240DL 1984 244GL








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    Preservative for rubber and plastic? 200 1992

    posted by  invar on  Tue Feb 18 19:33 CST 2003
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    last visit: Fri Feb 26 21:00 CST 2010
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    i always used armorall vinyl/plastic trim stuff sold at autozone. makes the vinyl inside my 740 look very nice. i also use it on my vinyl (is it vinyl?) bumper and it looks good. that is until the rain wears away at it. then i reapply it. my bumper was grayish when i bought it because of the sun discoloring it. every time i reapply the armorall, it restores the color back to very dark gray. wish there was some way to soak the bumper in this stuff or something so it would stay. :)
    --
    Kenric Tam
    1990 Volvo 740 base sedan (B230F)
    My Volvo 'Project'








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      Preservative for rubber and plastic? - Bumpers 200 1992

      posted by  Janet on  Wed Feb 19 18:25 CST 2003
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      last visit: Thu Aug 25 18:51 CST 2011
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      I used to use Armor All on my 80's bumpers with the same results. A year ago I tried Black Again from IPD. It is a clear thick liquid, very easy to apply, To my surprise it did make the bumpers and trim strips black again, and they stayed tht way! I have only reapplied it once, and it was not that necessary to do so. Also used it on daughter's '92 240. I still use Armor All inside the car. Keep the dash looking good with the occasional treatment with the Armor All wipes. I have used the Armor all on the window scrapers, they are still "good" after 23 years of wet Oregon weather.








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    Preservative for rubber and plastic? 200 1992

    posted by  guilbertmd on  Tue Feb 18 17:29 CST 2003
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    Hey Doug

    I use silicon lubricant (either spray or tube). I prefer the tube (gel like) on rubber seals etc, and spray on exposed suspension parts. Silicon keeps the rubber plyable. Will it prematurely rot them, who knows. But the silicone protects them from the elements and other contaminants. I trust it and haven't had ill effects as far as I know.

    --
    Mike in California '90 740ti Wagon- Hydrogeology Field Vehicle







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