Got butyl on my primer...cleanup?

M

Mbaird

My 69 340 Swinger has been a project in the works for a few years now . I had it rotisserie blasted then I epoxy primered the entire body then painted the roof section and installed the glass.
I got butyl caulking on a few sections of the primered deck lid. What can I use to clean it up ? Will i have to sand and reprimer that section ?
Thx
 
Butyl is easily solvent reversible, SPI #710 or equivalent should remove it. If it's stubborn, then move to a slow reducer like #885.

If it's urethane, you have to scrape and sand it off.
 
crashtech said:
Butyl is easily solvent reversible, SPI #710 or equivalent should remove it. If it's stubborn, then move to a slow reducer like #885.

If it's urethane, you have to scrape and sand it off.
Click to expand...

Thx, I was concerned sanding would contaminate the surrounding areas .
Its small spots where my fingers touched the primer beyond my masking .
 
If im reading right car is in epoxy,
And none of the cleaners will attack the epoxy, so easy clean up.
 
I checked the tube and it is 3m window urethane .. urgh
Oh well ... I had to do another coat of primer after bodywork anyways.
Any advice for the steps ? Clean , sand , clean again ? Whats best product to clean with?
 
Sand it off and clean with #700. Windshield urethane is much tougher than butyl, and is not solvent reversible, but it also is not a contaminant. In fact, I've used it as a seam sealer under paint without issue.
 
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