I have done this and it seems to hold pretty good. Not to heavy on the etching primer.Scuff with 220 paper then clean well then use self etching primer might work
Blasting and crazy deadly acid can work but not always.sand or bead blasting to remove the crome ,heavy costic acid will remove it !
No wonder I can't get those rings out of the toilet now!Lol good old draino used to work on weaker chrome ( especially the stuff used on plastic) but I've tried it more recently and it had no real effect.
My guess its like every other similar chemical and the acids have decreased % in them in recent years. (Example: the Work's toilet bowl cleaner acid % has dropped 2 times in the last 4 years)
Take a look at the label some places are still selling old stock of it that has higher acid. I found some at hyvee it cost a pit more but was worth itNo wonder I can't get those rings out of the toilet now!
I've seen that stuff peel off with a good blast from a blow gun. IF it were me and I was painting over chrome: 80 grit until it is completely dull, wipe down with wax and grease remover, and shoot with a good 2k epoxy primer(I use dplf90 and haven't ever had a peeling issue yet. This is over 14 years later). A good 2k epoxy is also an etching primer. If you are using rattle cans, then who knows.Scuff with 220 paper then clean well then use self etching primer might work
Wow that's sad an air blower peeled it... We used the 220 and etching rattle can primer on all the chrome on my friends Harley last spring and so far 6k+ miles later and only a couple small chips.I've seen that stuff peel off with a good blast from a blow gun. IF it were me and I was painting over chrome: 80 grit until it is completely dull, wipe down with wax and grease remover, and shoot with a good 2k epoxy primer(I use dplf90 and haven't ever had a peeling issue yet. This is over 14 years later). A good 2k epoxy is also an etching primer. If you are using rattle cans, then who knows.
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