Rubber Trim discoloration/ Spot removal Help!

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Noob1

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Needs some help I’ve got a 2016 VW Golf R with rubber doorseal trim that driving me nuts? For whatever reasons the trim pieces have somesort of stains or marks that I’ve tried to correct with multiple trim restoreproducts. In my latest attempt I triedSolution Finish which ended up failing to fix the issue. I followed thedirections prepped the area applied several applications of Solutions Finish allowingfor proper curing time. After which Solution Finish looked fantastic, however after maintenance wash a week later I noticed the stains/discoloration is showingthrough again. Does anyone have any ideas and what I can do to get rid of thesemarks .
 
After putting Solution Finish on it, it might be locked in now. But... If you haven't tried it yet, get a foam scrubbing pad (Sonax has one called the dirt eraser, Mr. Clean Magic Eraser, Chinese knockoffs) and use it with a rubber cleaner (Mother's Back to Black Trim Cleaner is what I used). This worked really well. Nothing I've tried comes close.
 
Solution Finish is for plastics and vinyl and not rubber.
ducksfan suggestion sounds good, give that a try.
 
I'd clean it as well as you possibly can and then seal with WG Exterior Trim Sealant ("WETS" on the forum).
 
If you've already tried cleaning the rubber with a soft boars hair brush (like the famous detailing brush) and a mild APC I'd use either Hyper Polish, Poli-seal, or HD Polish+ and a soft foam pad to gently polish the the rubber. I usually don't have to use a magic eraser but they are always good to have on hand as a last ditch option. I find that the nano abrasives in the polishes I mentioned bring back an EVEN satin appearance to the rubber by very lightly abrading it.

I'll then prep the rubber with diluted IPA and apply WETS
 
Rsurfer said:
Solution Finish is for plastics and vinyl and not rubber.
ducksfan suggestion sounds good, give that a try.
Click to expand...


From Solution Finish Site
Will Solution Finish work on all rubber, vinyl and plastic?
With over 50,000 combinations of rubber, vinyl and plastic combinations it's impossible to know if Solution Finish will work on everything. However, in our experience, Solution Finish has worked extremely well on all vehicles and parts tested. We believe it would be very difficult to find a situation where Solution Finish will not exceed your expectations.
 
Thank you all for you suggestions. I had tired prepping the area with a rubber cleaner and IPA mixture but I never thought about scrubbing the area with Magic Eraser but I will certainly give it a try. I'm a little hesitant polishing rubber with any sort of abrasive but will cautiously give it a go. I'm surprised I didn't think to add a rubber seal protectant the first during the first attempt.
 
Noob1 said:
From Solution Finish Site
Will Solution Finish work on all rubber, vinyl and plastic?
With over 50,000 combinations of rubber, vinyl and plastic combinations it's impossible to know if Solution Finish will work on everything. However, in our experience, Solution Finish has worked extremely well on all vehicles and parts tested. We believe it would be very difficult to find a situation where Solution Finish will not exceed your expectations.
Click to expand...

The directions say to use on plastic and vinyl, no mention of rubber. If it worked on rubber, you would think the directions would say so.
 
I tend to detail a lot of VW's and encounter cruddy looking window rubbers all the time. My typical plan of attack includes cleaning them when washing the car by agitating them with a boars hair brush and some APC.

Then later I will deep clean them using a local product called Shield Heavy Duty Vinyl and Rubber cleaner (you must have a locally available product which is similar) which always gets them looking matte and even. I will then dress using something like Carpro Perl.

Although not a VW, this write up of the RS3 includes some pics on the rubber cleaning and I am sure a bunch of the other write ups I have posted have similar pics, just can't recallhttps://www.autogeekonline.net/forum/show-n-shine/110264-sepang-blue-audi-rs3-detailed-lawrence.html
 
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