Surface too hot - Such a thing?

B

Benny

I've read a lot of comments about keeping te metal temperature up before, during, and after spraying epoxy.

My question is whether it's possible to have the surface too hot? I sprayed some epoxy outside on a 100 degree day a couple of weeks ago, and there were a few areas that were in direct sunlight, so I'm guessing their surface temp could have been upward of 125F.

Is that of concern? I did the bed of my Land Rover in similar conditions over a year ago, and have had no issues, but I care more about the long-term condition of my current project.
 
I have always said to keep the metal temp no more then 100 for safety reasons and like all manufacturers statements they are very conservative to protect all parties involved.
Now with that said, yes i have known people to spray at metal temps to 130 with no problems, however I have had a couple blow up in the 140 range and it will bubble in five minutes, so a long way around to answer your question, you are good to go.
I still would prefer, the temp is never more the 120 and closer to the 100 range.
Now to the next step, after you spray the epoxy, its not uncommon to pull car out in sun and if black is used it can get to the 140 pretty fast, if the epoxy sets inside for an hour first, that is no issue.
 
Thanks Barry, that's very helpful. I sprayed the car under a pop-up shade cover, so there were only a few areas that were peeking out into the sun.

No bubbling, or anything along those lines, so I guess I'll stop worrying about it.
 
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