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  #11  
Old 04-30-2002, 02:57 PM
x44d80 x44d80 is online now
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Default Re: Orig parts finish quality

the dipping of parts in paint really does work. it takes a bit of experimenting to get the paint the right thickness so it doesnt run off or glob up if its too thick. if you come across parts that still have the factory black paint look close, you'll see small runs, drips, bubbles etc..another mistake i made was restoring my brake booster..i blasted it with glass bead then had it plated locally. the plate doesnt cover the rough texture of blasting. it looks ok, almost if it is a few years old, but probably would look better if i had sent it to one of the guys that specilizes in restoring boosters.
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  #12  
Old 04-30-2002, 03:34 PM
SS427 SS427 is offline
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Default Re: Orig parts finish quality

x44, in addition to sending it to someone who specializes in plating such as www.brakeboosters.com , make sure the piece gets buffed before sending it in. They will only buff it if you request it and will charge you for it. You want the piece to be as smooth as you can without actually 'polishing' it.
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  #13  
Old 04-30-2002, 08:03 PM
CopoCrunkus CopoCrunkus is offline
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Default Re: Orig parts finish quality

If you don't want the drips, Bubbles etc on the parts that you dip, Try using a Gear Motor to pull the parts out of the paint slowly...this should take care of most of them. I find the easiest way is an old Fishing reel (Conventional Style) and a few pulleys will do the job also.


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  #14  
Old 05-01-2002, 01:08 AM
Terry Nelson Terry Nelson is offline
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Default Re: Orig parts finish quality

x44,after sandblasting my booster , I rubbed it out with a real fine steel wool before plating. Turned out great! Even the owners of the shop that rebuilt the internals were impressed. Terry
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  #15  
Old 05-03-2002, 04:54 PM
FESTIVAL78 FESTIVAL78 is offline
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Default Re: Orig parts finish quality

Tom here...I could talk component finishes until I'm blue in the face but I'll try to keep it short. Cottage Cheese is rot and we just don't want to use the word when talking about our own pieces...I'm from Massachusetts and know my rot. The heat treating avenue I'll agree with but that's more light pitting than cheese. Axle tubes as an example have cheese. I sandblast the whole housing and soak the tubes with Dupont URO prime (two part epoxy primer, hi-build, liquid bondo really ,in black). After it dries I block sand it almost completely off. Where I saw original stryations (machining lines) I go back and duplicate them by using a piece of brand new 80 grit paper pulled ONE time in a perfectly straight line. I then finish it with Dupont Corlar 25P epoxy mastic # LF-64025P (and VF525 activator) This is in the Dupont Industrial Coating # system. It truely looks good. The only thing I find hard to fix is a corroded center section as it is rough cast and tough to duplicate if soaked in primer (soaked meaning many spayed on coats) Anyone with ideas on center section duplication?
Metal finishing like boosters and corroded brackets and a-arms...3M roloc discs are the bomb! get 3" # 051131-07485 and put them on an Ingersol-Rand 301 hand held air grinder with the 3M roloc disc attachment. Grind away all the rough stuff until it shines and any rot pockets are gone, then sand the whole thing again with either 320 0r 400 grit sandpaper on an orbital DA...When recolored it will look new.
I've seen many parts that were dipped on my car and have noted which way they were hung to dry. I have found pocket puddles of black that had many small air bubbles in them as well. I am curious as to what type of paint is used to float on the water (oil base?)and am mystified as to why the part does not repell the paint as it would be soaked with water...Anyone?
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  #16  
Old 03-25-2017, 07:44 PM
CamarosRus CamarosRus is offline
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Fifteen year old thread..........(LOL is this a record)

I'm wanting to learn/read specifics on how to dip/coat parts into black paint.

If with the floating on water method, what paint brand, type, formula ..all the details.
Do you use a catalized 2K single stage product today and how long do you have to
complete the dipping before "pot life" is expired ???

What about temperature of metal, temp of water, temp of the room ???

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  #17  
Old 04-19-2017, 08:51 PM
CamarosRus CamarosRus is offline
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Bumping for education on HOW TO DIP PARTS in semi gloss Black Paint........?????????
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  #18  
Old 04-21-2017, 02:49 PM
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Years ago we simply used a small tank with a hinged top on it (probably +/- 15 gallon size) and filled it up with GM chassis reconditioning paint #1050104. Hung the parts on coat hangers and dunked them individually and then let them air dry in the shop on the hanger - drips and all. Not to elaborate.
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  #19  
Old 04-22-2017, 01:34 AM
Kurt S Kurt S is offline
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You fill it up with water, then float the paint on top. Then dip.
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  #20  
Old 04-22-2017, 02:40 AM
CamarosRus CamarosRus is offline
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How long is the pot life of "floating paint"

Then at some point you have to reclaim paint and dispose of ??
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