Spray paint hydro dipping

Old 03-23-2018, 01:32 PM
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Default Spray paint hydro dipping

Having really bad clumping issues when doing spray paint hydro dip. I'm pretty sure that the problem is either being caused by the water temperature, water quality, or something else. On the first dip I always get decent quality but on the second dip it always turns out clumpy on the other side, and both sides constantly end up with bubbles. If anybody has a solution please let me know. Pictures are examples on a M4 pistol grip




First pass on the right hand side turned out great just a few air bubbles here and there




Pass made on the left side results in bad clumping and large air bubbles
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Old 03-23-2018, 03:24 PM
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you could be going slllightly too fast. or you could be stirring too aggressively and putting tiny little bubbles in the paint while it is still in the water

just a few thoughts I have never actually dipped anything myself
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Old 03-23-2018, 10:48 PM
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Originally Posted by TrailerTrash View Post
you could be going slllightly too fast. or you could be stirring too aggressively and putting tiny little bubbles in the paint while it is still in the water

just a few thoughts I have never actually dipped anything myself

I hadn't thought of that. I'm gonna try warming distilled water next week and see if that helps.

I made another pass that turned out good but it didn't stick.




Unfortunately this coat didnt last, even with clear coat shot over it. Back to the drawing board.
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Old 03-23-2018, 11:26 PM
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Have you tried priming the grip first? Maybe the paint isn't to fond of that polymer.
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Old 03-24-2018, 08:06 AM
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Originally Posted by Turbo X_J View Post
Have you tried priming the grip first? Maybe the paint isn't to fond of that polymer.
Yeah that's the first thing I did was prime it and sand it with 220.
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Old 03-24-2018, 08:28 AM
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Try filling the voids with a plastic bags, tape or the like so essentially you are dipping a solid instead of a hollow.
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Old 03-24-2018, 09:19 AM
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Keep us updated if you figure it out. That looks really cool and I need to learn how to do that myself!
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Old 03-24-2018, 09:38 AM
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Originally Posted by StealthyMcStealth View Post
Keep us updated if you figure it out. That looks really cool and I need to learn how to do that myself!
It's cold spray paint hydro dipping. I've seen quite a few YouTube videos on how to do it but just trying to nail down the process myself so I can produce a wood grip pattern on my AR that looks amazing
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Old 03-25-2018, 06:19 AM
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Originally Posted by Ozark Mountain Ranger View Post
Yeah that's the first thing I did was prime it and sand it with 220.
How are you cleaning it once you sand it? i wouldnt sand it and see if that makes a difference
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Old 03-25-2018, 11:00 AM
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Originally Posted by TrailerTrash View Post
How are you cleaning it once you sand it? i wouldnt sand it and see if that makes a difference
I have actually done it both ways. I have just primed it and not sanded it and the other time after I sanded it I used the air gun and blew the dust off
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Old 03-25-2018, 11:09 AM
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Originally Posted by Ozark Mountain Ranger View Post
It's cold spray paint hydro dipping. I've seen quite a few YouTube videos on how to do it but just trying to nail down the process myself so I can produce a wood grip pattern on my AR that looks amazing
You've inspired me to look into it. Tons of cool videos on the process. Very cool stuff.
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Old 03-25-2018, 11:47 AM
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Originally Posted by Ozark Mountain Ranger View Post
I have actually done it both ways. I have just primed it and not sanded it and the other time after I sanded it I used the air gun and blew the dust off

ok hmmm


After each dip are you cleaning the paint out then adding new paint? I would try using fresh water and new paint after each and every dip
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Old 04-11-2018, 12:51 PM
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I think I solved part of the problem. First I did a 50-50 mix distilled water and tap water. Second I watched a YouTube video that showed spraying the paint low at a near horizontal level. I still had problems with the paint becoming gloopy like a thin sheet of latex very quickly but I was able to if my stock parts and it turned out amazing.

Finished product
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Old 04-11-2018, 05:30 PM
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Very nice man
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Old 04-11-2018, 06:02 PM
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Originally Posted by TrailerTrash View Post
Very nice man
Also your comment earlier about not sanding it after I primer it worked quite well. As long as I shook the primer can really well to keep the primer from getting really clumpy it went on really smooth. You can see it in the background one of my pictures but another step I added is heat drying using a little $20 pop-up space heater from Walmart
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