WD-40 as rubber trim protectant & window lubricant ? - Mercedes-Benz Forum
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#1 (permalink) Old 11-04-2007, 04:17 AM
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WD-40 as rubber trim protectant & window lubricant ?

Is it a good idea to use WD-40 to lubricate / protect the rubber trims for the windows ? I think i should do something proactive considering the year-round tropical sun here.
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#2 (permalink) Old 11-04-2007, 05:53 AM
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Is it a good idea to use WD-40 to lubricate / protect the rubber trims for the windows ? I think i should do something proactive considering the year-round tropical sun here.
I don't think that wouldd be a good idea. I believe WD40 is petroleum based. It would probably slowly dissolve the rubber.

I found DuPont Krytox to work extremely well! I applied it to the rubber seals on my SLK and it stopped the creaks and squeaks.

http://www2.dupont.com/Lubricants/en...qs_krytox.html

http://www2.dupont.com/Lubricants/en...ak_rattle.html

http://forums.vwvortex.com/zerothrea...ostid=33268064

http://www.thtgroup.com/krgpl205gr.html

Krytox can be used for many purposes. Brake caliper lube, dielectric grease or almost any place that you need a long lasting, high temp lubricant. It is expensive but, a little goes a long way.

Rich Piotrowski
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#3 (permalink) Old 11-04-2007, 08:07 AM
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i amnot sure if wd contains petro, but the base for it is actually fish oil. thats why it works for bait! i use tire foam to clean and lube the seals on my car.
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#4 (permalink) Old 11-04-2007, 03:59 PM
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I'm sure WD 40 is not good for rubber nor is any silicone based product - Have a read of this

That stuff recommended by rpiotro is great for roof rubbers and 303 protectant is great for rubber trim and vinyl (or any treatment with plasticisers in it)

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#5 (permalink) Old 11-04-2007, 04:41 PM
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I'm sure WD 40 is not good for rubber nor is any silicone based product - Have a read of this

That stuff recommended by rpiotro is great for roof rubbers and 303 protectant is great for rubber trim and vinyl (or any treatment with plasticisers in it)

Oberoi
Correct. Forget the WD-40, and find yourself some 303 Protectant. It's the best!

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#6 (permalink) Old 11-04-2007, 05:12 PM
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Silicone spray works well also.

'01 SLK-320 - Black & tan. Bone stock.
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#7 (permalink) Old 11-04-2007, 07:26 PM
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Originally Posted by oberoi View Post
I'm sure WD 40 is not good for rubber nor is any silicone based product - Have a read of this

That stuff recommended by rpiotro is great for roof rubbers and 303 protectant is great for rubber trim and vinyl (or any treatment with plasticisers in it)

Oberoi
I'm no chemist, but I wouldn't think silicone based products would cause a problem. For scuba-diving equipment, it's common for people to spray down there very expensive breathing apparatuses with food quality silicone spray to keep the rubber gaskets, seals, and diaphrams in good condition. Note, these seals are of life/death importance, so I'd think someone had done their research early on on this one.

Besides, I'm suspicious that the documentation posted here is posted by a company that has financial interests in your buying their expensive 303 stuff. Not to say it isn't good though!

Joe
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#8 (permalink) Old 11-04-2007, 07:51 PM
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Just bought some 303 on fleabay.

Aaron Lephart

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#9 (permalink) Old 11-05-2007, 05:36 AM
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I'm no chemist, but I wouldn't think silicone based products would cause a problem. For scuba-diving equipment, it's common for people to spray down there very expensive breathing apparatuses with food quality silicone spray to keep the rubber gaskets, seals, and diaphrams in good condition. Note, these seals are of life/death importance, so I'd think someone had done their research early on on this one.

Besides, I'm suspicious that the documentation posted here is posted by a company that has financial interests in your buying their expensive 303 stuff. Not to say it isn't good though!
Silicone causes problems over time. Just ask anyone who's put too much Armor All on their cars! On the other hand, 303 Protectant doesn't have silicone, so it doesn't build up, become greasy, etc. I've used it for many years on boats, and their claims are true.

Perhaps food-quality silicone is OK...but I've no experience with it personally.

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#10 (permalink) Old 11-05-2007, 05:48 PM
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