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Tom Wesenberg · 11-05-2010, 07:54 PM

I pretty much find the same as Craig. I did sandblast a few small parts and it took a while to remove the powdercoating, but finally got it off.

I once had the lower steel water pipe powdercoated inside and out, only to find out later that you should never powdercoat the inside, because the powdercoating comes off and plugs the radiator tubes. I use 50% antifreeze, so I wonder if it's the hot water, or the antifreeze that removes the powdercoating?

11-05-2010, 07:54 PM	#4
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: Sandblasting powercoated parts I pretty much find the same as Craig. I did sandblast a few small parts and it took a while to remove the powdercoating, but finally got it off. I once had the lower steel water pipe powdercoated inside and out, only to find out later that you should never powdercoat the inside, because the powdercoating comes off and plugs the radiator tubes. I use 50% antifreeze, so I wonder if it's the hot water, or the antifreeze that removes the powdercoating?