Weird effect on bolts during baking.

Posted by admin on June 9th, 2009 at 02:02am

I have never seen this before. I clear powder coat all the heads of the external bolts I clean up on this engine and only this engine… never doing this again. Anyway I went and put the stuff in the oven and it came out somewhat bronze which I figured was because I hadn’t watched the cheap toaster oven and it shot the temp too high. So I throw then in some acetone for a while and with wire wheel I get off the powder coat.

Now just to make sure that there is nothing on them I stuff them back in the toaster oven at 450 for 20 minutes. And… they come out completely bronze now. It comes right off with some quick wire wheel work but unless I can solve why these things are doing that I can’t really powder coat them.

What is going on with this metal?


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