Tyre Cleaning and Care

Accumulator said:
TOGWT- But does that "affinity for oils" possibly translate into some sort of detrimental effect on rubber? Eh, I'm starting to :rolleyes: at myself since my general view is that all automotive stuff is tougher than people think, and that would include tires and other rubber bits.



If that Griot's Rubber Prep I like so much is perfectly safe, then why is it so important to keep it off autoglass?!?
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Any rubber cleaner would have to eliminate oils to clean off the so-called road film.



Is Groit's stating that it should be kept away from glass or that it may be harmful (can't locate an MSDS) as some chemicals will cause streaking when mixed with glass cleaners
 
TOGWT said:
Is Groit's stating that it should be kept away from glass or that it may be harmful (can't locate an MSDS) as some chemicals will cause streaking when mixed with glass cleaners
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This is from memory, but the label states something like "do not allow to come into contact with glass". My read on it was that it'd be downright damaging.
 
Regarding GG's Rubber Prep, the MSDS sheet says that it contains the following chemicals: Aliphatic Hydrocarbon, Hexamethyldisiloxane, Octamethyltrisiloxane, Octamethylcyclotetrasiloxane. Perhaps Grumpy and TOGWT can tell us whether this qualifies or disqualifies Rubber Prep as a "safe" product for our tires.
 
They are all polymer silicones (Siloxanes) which are used in products such as cosmetics, deodorants, water repelling windshield coating, lubricants and moulded lenses for LED’s.



These should not have a negative impact on tyres, perhaps there is something else in the formulation that could have a detrimental effect on automotive glass They must have a valid concern to issue a caution like that
 
OK, checked the label on my current bottle of Griot's Rubber Prep and it did *NOT* have the caveat about contact with glass. Dunno if they changed it or my memory was faulty or what.... :nixweiss



Anyhow, I used it to clean the horribly weathered/worn/trashed exterior trim on my older Crown Vic, and it worked pretty well. I still kept it off the glass ;)
 
Thanks for the info and clarification. it didn't seem likley but you never know what other chemicals they use
 
Yeah, I found the MSDS interesting, made it sound kinda like a cover up, something that might not play nice with products like Trim Sealants. Yet Rubber Prep followed by Ultima's trim sealant is a good combo IME, lasts a very long time so it's not like the Rubber Prep causes problems in that regard. And even when things need redone, it's not like they revert to the original condition or anything like that.
 
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