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Re: Any way to restore oxidized weatherstripping?
Originally Posted by FUNX725
EPDM is very UV resistant and is not supposed to degrade (become totally oxidized/usefulness totally gone) for up to 15-20 years, even without any maintenance.
I can't speak for the OP, but there's sure a difference between "usefulness totally gone" and the exterior of this 1/4" thick stuff having a stained/oxidized appearance. It has a mottled, water-spotty, brownish discoloration. No, I don't have a pic, it's actually on my friend Jr's car.
IIRC correctly, I hit it with some KAIO by hand a year or two ago and it didn't make any difference, but I remember being gentle with it.
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Re: Any way to restore oxidized weatherstripping?
Corey, that's certainly similar...but you can never tell if the moveable window seals are the same material as something similar and right next to it. Again, I can't speak for the OP, but I'm talking about the square or rectangular x-sect (with radiused corners) molding that seems to be around the windshield and back windows of most cars today.
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Super Member
Re: Any way to restore oxidized weatherstripping?
I don't think I am picturing the same material you guys are talking about.
:dancebanana:
Sky's the Limit Car Care
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Super Member
I have the same problem on my Trans Am. The front window has the same material. I tried some plastic polish and there was no change. I've decided to try a more aggressive method next
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Re: Any way to restore oxidized weatherstripping?
Originally Posted by CEE DOG
Is it the same as the material on these windows?
I used something else on this one but I have used poliseal for this before with similar results.
- Copied from PERL review-
Window Seals:
One of the vehicles I was working on had some seriously nasty window seals. After attempting to clean them with rubber cleaner and a toothbrush I moved on to using water spot remover. This was able to clean them much better but the rot was too deep for me to be satisfied. I used my Flex 3401 armed with Duragloss Nano Polish and a tangerine HT pad to polish these seals before moving forward.
Before
[IMG]http://i1082.photobucket.com/albums/j376/CEEDOG7/Reviews/CarPro%20PERL/60.jpg[IMG]
Before
[IMG]http://i1082.photobucket.com/albums/j376/CEEDOG7/Reviews/CarPro%20PERL/61.jpg[IMG]
Uh Oh! It wasn’t a bird that did that! I spilled some of my polish but after cleaning up the mess and under the seal I moved forward.
[IMG]http://i1082.photobucket.com/albums/j376/CEEDOG7/Reviews/CarPro%20PERL/62UhOh.jpg[IMG]
After I finished polishing and cleaning the seals I applied Cquartz to them. After buffing them 30 minutes later I moved on to other things and came back later to coat them with PERL (neat)
[IMG]http://i1082.photobucket.com/albums/j376/CEEDOG7/Reviews/CarPro%20PERL/63.jpg[/MG]
[IMG]http://i1082.photobucket.com/albums/j376/CEEDOG7/Reviews/CarPro%20PERL/64.jpg[IMG]
That looks like a very similar material. So would you say the work was done mostly by the Duragloss polish or CQuartz?
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Super Member
Re: Any way to restore oxidized weatherstripping?
Originally Posted by Setec Astronomy
Yeah, but...that may be a good way to protect the trim (and really old school, I remember a Dow Corning rep telling me to use DC 7 on my tires 30 years ago...I still have the tube), but it's a greasy mess and won't do anything about the damaged outer layer that the OP (and me) are complaining about.
PS Corvette owner's manuals have 444+ pages? Well, reason #24 why I don't have a Corvette...my attention span is too short to get through the owner's manual...now what were we talking about again?
LOL.... On reason #24.
IMO....EPDM is a totally different technology from the tires of 30 years ago. I really don't find dielectric grease to be that messy...others must. It's the same thing as silicone rubber dressing in a spray can without the propellant added.
Sorry, Setech, if I was of no assistance...
Hopefully, then, others will have more suitable/better suggestions. I always have an open-mind about processes/products and look forward to any input.
Alas and Alack....My C6 manual has 488 pages.....I've not read them all, though. Just as a quick reference.
Some folks I know are in the process of completing that mission...Probably the main reason for their having "Garage Queens".
Bob
"Be wary of the man who urges an action in which he himself incurs no risk."
~Joaquin de Setanti
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Super Member
Re: Any way to restore oxidized weatherstripping?
The polish did all the work. Well, I used CG water spot remover first but that didn't do even 10% of what the polish did.
The Cquartz probably wasn't even the right product to try to protect it with but I knew it couldn't hurt.
You could also try a test spot with some good water spot remover. Don't look at me if it goes wrong though!! . I have no idea what material you are dealing with or what the outcome will be.
Whatever you do try a test spot first.
:dancebanana:
Sky's the Limit Car Care
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Re: Any way to restore oxidized weatherstripping?
Originally Posted by FUNX725
IMO....EPDM is a totally different technology from the tires of 30 years ago. I really don't find dielectric grease to be that messy...others must. It's the same thing as silicone rubber dressing in a spray can without the propellant added.
Now that I think of it I was talking to Dow Corning about what kind of "silicone grease" I should use on my GM weatherstripping per my owner's manual (that had 58 pages), and they recommended the DC 7, which is a thin grease. I then told this to a fellow car enthusiast at work, who told me that he was appropriating some DC 4 (thicker) for his tires...
As with the silicone dressings we have now, you're going to have to wipe off the excess if you don't want it to be greasy, and be left with a molecules-thin layer anyway, so I don't really see the appeal of using a grease vs. something like 303 (although 303 is a PDMS vs. the silicone oil in a grease). It's a little different if you're buttering up your battery terminals and want to have a thick coating when you're done.
In any case, I'm not sure that when GM talks about lubing weatherstripping or molding they are talking about the cosmetic considerations we are discussing, IIRC they are usually referring to door/window seals contacting moving parts, which can not slide smoothly or squeak.
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Re: Any way to restore oxidized weatherstripping?
Originally Posted by CEE DOG
I don't think I am picturing the same material you guys are talking about.
Originally Posted by Twister
I have the same problem on my Trans Am. The front window has the same material. I tried some plastic polish and there was no change. I've decided to try a more aggressive method next
This is what I'm/we're talking about--that's the windshield at the top of the photo and the A-pillar at the bottom:
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Super Member
Re: Any way to restore oxidized weatherstripping?
Have you tried a product like Klasse All In One?
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