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| TonyA |
Feb 4 2022, 11:10 AM
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#1
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Nachmal ![]() ![]() ![]() Group: Members Posts: 679 Joined: 17-November 16 From: Hilltown PA Member No.: 20,596 Region Association: North East States
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When installing fasteners on powder coated items I notice that the powder coating can crack and peel off at the fastener contact. Would it not be better to prep the metal with sand blasting etc. as with powder coating and spray a good etching primer or galvanizing primer and then top coat. When installing fasteners on this application there is not as much damage to the surrounding area. just MHO
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| mepstein |
Feb 4 2022, 11:30 AM
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#2
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914-6 GT in waiting ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 20,634 Joined: 19-September 09 From: Landenberg, PA/Wilmington, DE Member No.: 10,825 Region Association: MidAtlantic Region
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Tony - It shouldn't crack or peel. Peeling is poor surface prep or maybe the oven was the wrong temp, cracking may be too thick an application. The part should be coated with a fastener or plug in the part so no powder gets on the threads. Sometimes parts are blasted and then bare for days or weeks before coating. Fine in dry climates but on the east coast, it's not good. But bottom line, it should stay put unless you cut or grind it off.
It's fine to blast, prime and paint. Shawn at True6 uses a lot of cerikote because its a very tough and durable finish but is so thin, it doesn't usually need any plugs on the threads, similar to plating. I really liked powder coat when I worked at the shop because I could use the part a couple minutes after removing from the oven and the finish is super tough but there are other options that work well. |
TonyA Powder coating or painting what's your opinion Feb 4 2022, 11:10 AM
Mark Henry I powder coat my parts, but I pay my guy extra to ... Feb 4 2022, 12:07 PM
Superhawk996
For me PC is a no brainer, I drop the rusty parts... Feb 4 2022, 02:11 PM
porschetub
When installing fasteners on powder coated items ... Feb 4 2022, 04:54 PM
bkrantz I prefer PC for any part that will be exposed to r... Feb 4 2022, 09:40 PM
Mark Henry
So far, I have not had any trouble with PC crack... Feb 5 2022, 05:22 AM
rhodyguy Black ZeroRust paint in aerosol cans wears like ir... Feb 5 2022, 07:29 AM
GeorgeKopf I bought a powder coating gun from Harbor Freight ... Feb 5 2022, 08:17 AM
Jack Standz
I bought a powder coating gun from Harbor Freight... Feb 5 2022, 09:02 AM![]() ![]() |
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