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I want to get an idea of how paint burn looks like. I've tried my best doing searches in the forum but can't seem to find any pictures/sample of paint burn. Can anybody direct me or post some.
Mike Pennington at Meguiar's shows us what can happen with improper technique with an extreme example.This is a small clip from a ton of other footage taken....
I was there the night Mike Pennington demonstrated the power of the rotary - he was actually making smoke with the darn thing.
But it should be noted, and Mike came right out and said this during the demo, that he was running at 2400rpm and that "that was an extreme case". In most cases the sort of "burning" you get with a rotary isn't anywhere near as dramatic - no smoke, no flying foam bits, just the total and complete removal of paint from a body panel edge, a sharp body line, etc. All those areas you almost don't even think about with a DA but can bite you quick with a rotary.
Take a close look at all the body panel gaps on your car - fender to door, hood to fender, trunk lid to quarterpanel, etc. If either panel is even slightly higher than the adjacent panel you have the very real possibility of taking paint off that edge as the rotary spins the pad against it. The problem is further compounded by the fact that paint is usually quite a bit thinner on the panel edge too.
Michael Stoops
Senior Global Product & Training Specialist | Meguiar's Inc.
Remember, this hobby is supposed to be your therapy, not the reason you need therapy.
Yeah, that was really extreme. What I was looking for is actually burns that's not that extreme. I heard that it'd look like as if the paint has moved/shifted, or whatever it's called, when it gets too hot and melted. Something like when chocolate toppings melted by heat and then gets hard again after it gets cold. Ripples maybe?
Err...sorry Mike...coming to the Open Garage would be a great idea and I'll really like it very much but, the thing is, it would cost me my lifetime savings to get there together with my car since I'm from Malaysia.
Since I've never seen rotary-burned paint before, who knows maybe one of these days somebody would come and ask me to detail his car and I can immediately identify the burned mark and advice accordingly without him having to wait for me to take pictures and upload it here. Just preparing for the future.
Here's a picture of a burn that I did intentionally on a scrap hood. It's on an edge and only took a few seconds with a rotary:
On the same hood I tried burning a spot in the middle of it, but was unsuccessful. The paint got really hot but I never could create a burn not on an edge. It is still possible but you really need to pay close attention to edges.
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