Epoxy Primer
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Senior User
Joined: Dec 2006
Posts: 378
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From: Hudson, OH
Epoxy Primer
Does true "epoxy" primer come in rattle cans. I want to have something handy to prime bare spots as I go along to prevent something I've just fixed from rusting, until I get ready to paint all over.
What "primer" do you all use for this purpose?
Thanks in advance, Jim
What "primer" do you all use for this purpose?
Thanks in advance, Jim
Postmaster
Joined: Jun 2004
Posts: 4,190
Likes: 2
From: Riverside, So Cal
Any true epoxy is a 2-part system that begins to catalyze as soon as they are mixed. I'm not aware of any rattle can epoxy primer.
I have used a one-part barrier coat that I sprayed from a jar with a pressure can screwed on to the top. The spray jar didn't work well with that thick of a paint, tho. I used a cheapo HF syphon gun to shoot it and that worked well to seal my bed. Drove it around that way for a year with no problems.
Talk to someone at a body shop supply store for options.
I have used a one-part barrier coat that I sprayed from a jar with a pressure can screwed on to the top. The spray jar didn't work well with that thick of a paint, tho. I used a cheapo HF syphon gun to shoot it and that worked well to seal my bed. Drove it around that way for a year with no problems.
Talk to someone at a body shop supply store for options.
Elder User
Joined: May 2006
Posts: 572
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From: Sacramento area
Jim, I was just talking to my paint supplier Friday, And yes there is a 2 part epoxy
rattle can primer. He says its great stuff from the standpoint of doing the job.
The down side is you must use it all within [I think he said 24 hours?] If you can use it all in a short time, its a good deal.
I would suggest using a good rattle can primer from an auto paint suppy house and
not one from your friendly box store if your not using a spray gun.
rattle can primer. He says its great stuff from the standpoint of doing the job.
The down side is you must use it all within [I think he said 24 hours?] If you can use it all in a short time, its a good deal.
I would suggest using a good rattle can primer from an auto paint suppy house and
not one from your friendly box store if your not using a spray gun.
Thread Starter
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Senior User
Joined: Dec 2006
Posts: 378
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From: Hudson, OH
epoxy primer
OK, it looks like the best route might to be to invest in a "beginner" spray setup, where you could mix up small quantities of the mix & spray. What kind of spray set up do you "experienced" guys recommend. I have a 6.5cfm&90lb air compressor.
Posting Guru
Joined: May 2002
Posts: 1,495
Likes: 2
From: Northwest Fl
If your only concerned with spraying primer, a cheap Harbor Freight HVLP gun will do the job considering you're likely going to be sanding everything again before you do the final paint. The advantage HVLP offers is that it allows you mix just what you intend to use with very little waste. Lowe's also sales an inexpensive hvlp that works well with primers and enamels. Your compressor should be large enough for parts painting or spot repairs, but not for a full paint job unless you go with a low cfm conventional paint gun.
Lead Driver
Joined: Dec 2004
Posts: 7,669
Likes: 13
From: San Jose, CA
To apply the epoxy primer properly, you'd have to clean the metal that you're going to spray it on. There's a two part cleaning process, which uses chemicals.
I just took an I-Car class on Corrosion Protection and it described the proper use and application of epoxy primer.
Ilya
I just took an I-Car class on Corrosion Protection and it described the proper use and application of epoxy primer.
Ilya
Junior User
Joined: Feb 2004
Posts: 66
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From: Southern Maryland
Etch Primer
I use an etch primer in a rattle can, cheap and easily available at your local discount auto store (duplicolor)
Just a thought
Just a thought
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Mountain Pass
Joined: Jan 2004
Posts: 240
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From: Redsox Nation, Mass
A cheap HVLP gun will work fine. Wherever you buy the epoxy primer, just ask them for the metal wash prep stuff from the same manufacturer.
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Senior User
Joined: Dec 2006
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From: Hudson, OH
hvlp
Thanks, guys, sounds like the way to go. I just didn't want to have to go back and sand everything down to bare metal when I got ready to prep the whole truck for painting. I gotta a long way to go, and I'm sure will learn a lot as I "go".
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