TheSamba.com :: View topic

Mon Sep 02, 2019 7:29 am

Has anyone use this rubber seal conditioner on there window seals?

Mon Sep 02, 2019 12:26 pm

I have not but this is one of the better products out there for rubber seals
https://www.autogeek.net/1z-einszett-rubber-care-stick.html

Mon Sep 02, 2019 7:54 pm

I would not use either on automotive window rubber.

Auto window rubber is 100% EPDM...which has very specific and narrow chemical requirements.

First...you can use "0" voc or petroleum based products on EPDM. While it may live just fine....or appear to...it starts a process that GREATLY shortens its life.

The Gummy Pflege...while I hear its a decent product....they actually lied at least once in their ads. It DOES contain silicone.....which is listed with no name in the SDS as CAS #102782-92-3....which is SILOXANE....silicone. And....the main ingredient other than non-ionizing surfactants (which says nothing...and are soaps/detergents)....is citrus terpines. Thes can range from basically sound on EPDM...to poor....depending on concentration, what type of terpine and what quality of EPDM.

The 3 in 1 product....not a chance. Its about 98% light petroleum distillates...and is actually made by WD-40 company...so you know what it is....and it will eat EPDM alive.

Here is its SDS:
https://files.wd40.com/pdf/sds/3inone/3-in-one-rvcare-rubber-seal-conditioner_us-ghs-sds.pdf

Ray

Tue Sep 03, 2019 2:11 am

is glycerine ok to use on epdm?

Tue Sep 03, 2019 6:08 am

Ray
What would you recommend to use on window rubber seals?

Tue Sep 03, 2019 7:53 am

I've used Armorall on my 65 111 for FIFTY years - same rubber all this time and it works great.

Wed Sep 04, 2019 7:05 am

Heres another choice rather than a liquid this is a grease. Take a small micro fiber towel and rub it in. Stays on longer than any liquid. Works well for convertible top seals and sunroof seals, door seals, repels water.

It’s marketed and sold through Honda auto dealerships. Unless Japanese rubber is somehow different it’s a great product and might work on their makes and models. I’ve used it with no ill effects noted. Satan/ Jeff Beelzebub I mean amazon also sells this product :D some of the aftermarket rubber is pure crap and falls apart on its own.

Wed Sep 04, 2019 12:54 pm

Ooooh yes....Shinetsu makes great products.

As for what you can use....any pure, non-VOC silicone product. That Shinetsu grease will work fine. Pure silicone oil...make sure its not that bootleg stuff sold in old gin bottles to shine tires. Buy something with an SDS sheet.

Glycerin in almost any of its chemical forms will work fine. Its not quite as waterproof and not very long lasting because its water soluble.

Armorall....no. It has about 5% mineral oil....which is bad to about a 75% rating for EPDM. Its fine for early windshield rubbers like from the 50s...that used EPR rubber....which work with mineral oils...just like the EPR rubber used in the early brake systems.

Pretty much anything that can work within your brake system...will work on your windshield rubber. Same material...EPDM.

About the same time they went from mineral oil brake systems with EPR rubber to glycol based brake systems with EPDM rubber....they changed to teh same in windshield gaskets.

The effect often quoted with armorall....that as long as you keep it regularly treated it seems to be good....but when you stop...it starts hardening up and getting brittle on the surface......is exactly typical of what any petroleum oil, VOC or mineral based oil will do to EPDM.

Ray

Wed Sep 04, 2019 6:37 pm

Zundfolge1432 wrote: Heres another choice rather than a liquid this is a grease. Take a small micro fiber towel and rub it in. Stays on longer than any liquid. Works well for convertible top seals and sunroof seals, door seals, repels water.

It’s marketed and sold through Honda auto dealerships. Unless Japanese rubber is somehow different it’s a great product and might work on their makes and models. I’ve used it with no ill effects noted. Satan/ Jeff Beelzebub I mean amazon also sells this product :D some of the aftermarket rubber is pure crap and falls apart on its own.
Ok,I'll check it out. 8)

Sun Sep 08, 2019 7:55 am

raygreenwood wrote: I would not use either on automotive window rubber.

Auto window rubber is 100% EPDM...which has very specific and narrow chemical requirements.

First...you can use "0" voc or petroleum based products on EPDM. While it may live just fine....or appear to...it starts a process that GREATLY shortens its life.

The Gummy Pflege...while I hear its a decent product....they actually lied at least once in their ads. It DOES contain silicone.....which is listed with no name in the SDS as CAS #102782-92-3....which is SILOXANE....silicone. And....the main ingredient other than non-ionizing surfactants (which says nothing...and are soaps/detergents)....is citrus terpines. Thes can range from basically sound on EPDM...to poor....depending on concentration, what type of terpine and what quality of EPDM.

The 3 in 1 product....not a chance. Its about 98% light petroleum distillates...and is actually made by WD-40 company...so you know what it is....and it will eat EPDM alive.

Here is its SDS:
https://files.wd40.com/pdf/sds/3inone/3-in-one-rvcare-rubber-seal-conditioner_us-ghs-sds.pdf

Ray

Not all the automotive rubber is 100% EPDM. some is inferior to EPDM. I have westcoast metric EPDM wing window seals in my 61, installed over 3 decades ago, still like new, great stuff. They have had armour all put on them.

Bug On!

Sun Sep 08, 2019 9:22 am

So Ray , are you saying dot3 brake fluid would work as as a rubber conditioner?

Wed Sep 11, 2019 1:50 pm

calvinater wrote: So Ray , are you saying dot3 brake fluid would work as as a rubber conditioner?

That's how I read that, too...

Wed Sep 11, 2019 5:21 pm

calvinater wrote: So Ray , are you saying dot3 brake fluid would work as as a rubber conditioner?

I'm going to give that a try on one of my spare door window rubber seals.

Wed Sep 11, 2019 7:46 pm

Just make sure you don't get any on the paint.

Wed Sep 11, 2019 11:22 pm

Sure...it would work fine on the seals...and rust the living crap out of your window channels after it removed the paint.

I'm collectively slapping you all upside the head! :lol:

You are like some of my clients!

This is how people get in trouble.....you state one truth and they assign it to a hundred questions.

It probably went like this in Russia at one time...."Hey....Ivan...did you know plutonium is an Alpha particle?...You can hold it in your hand without getting irradiated"....."Dang ....Trotsky...I had no idea"...."it must be quite safe...and its a soft metal....lets make some ash trays for our Dacha's"...........not realizing its all about oxidization and reaction. You cant burn it...you cant let it corrode....or it gets tragic! All their kids had two heads and three tits.....
:lol:
Ray

Thu Sep 12, 2019 6:35 am

OMG... Who in their right mind would use brake fluid? ... :roll:

Just use a thin coat of Glycerin on rubber & let it soak in for a day or three & then clean up with soap & water...

Glycerin will also not harm paint finishes either...

Mon Sep 16, 2019 8:07 am

I use Adams VRT on mine. Doesn't leave a wet/greasy look

https://www.amazon.com/gp/product/B001QVG7MC/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1

Mon Sep 16, 2019 7:39 pm

crankbait09 wrote: I use Adams VRT on mine. Doesn't leave a wet/greasy look

https://www.amazon.com/gp/product/B001QVG7MC/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1

Man...I would say....dont use that!

It has Stoddard solvent and methanol in it. Methanol is just fine...but stoddard solvent just eats EPDM.

But....its percentage of Stoddard solvent is less than 5%. you are probably OK. Its what they put in it to "eat" any oxidized EPDM rubber off the surface....but I would wipe it off quick and use it sparingly.

And it has CMIT in it (5- chloro-2-methyl-4-isothiazolin-3-one)...its mainly a combination of biocide and preservative for liquids that have a lot of water in them and might grow algae.....but its KNOWN to cause contact dermatitis in virtually anyone.

And once you are sensitized...you are permanently sensitized and then virtually any soap,shampoo or industrial product that has it...causes skin break out and lung issues. They are very close to banning it in many places.

Just keep it off your skin. It has less than 1%...but it does not take much. I have issues with from being around so many chemicals. Ray

Mon Sep 16, 2019 7:41 pm

raygreenwood wrote: crankbait09 wrote: I use Adams VRT on mine. Doesn't leave a wet/greasy look

https://www.amazon.com/gp/product/B001QVG7MC/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1

Man...I would say....dont use that!

It has Stoddard solvent and methanol in it. Methanol is just fine...but stoddard solvent just eats EPDM.

But....its percentage of Stoddard solvent is less than 5%. you are probably OK. Its what they put in it to "eat" any oxidized EPDM rubber off the surface....but I would wipe it off quick and use it sparingly.

And it has CMIT in it (5- chloro-2-methyl-4-isothiazolin-3-one)...its mainly a combination of biocide and preservative for liquids that have a lot of water in them and might grow algae.....but its KNOWN to cause contact dermatitis in virtually anyone.

And once you are sensitized...you are permanently sensitized and then virtually any soap,shampoo or industrial product that has it...causes skin break out and lung issues. They are very close to banning it in many places.

Just keep it off your skin. It has less than 1%...but it does not take much. I have issues with from being around so many chemicals. Ray

:shock: