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Rust preveantive for a steel Question
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Posted by: wedge

03/03/2004, 12:03:51

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I have an application where I drill a hole in a plated pin and insert a plated component. The assembly is for automotive industry and I am looking for a coating to apply to the bare metal hole. It needs to stand up to a salt spray and I would like to apply it to my hole in process on my rotary machine.






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Re: Rust preveantive for a steel
Re: Rust preveantive for a steel -- wedge Post Reply Top of thread Forum
Posted by: Cragyon
Bart
03/04/2004, 15:13:36

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I know that if you get rid of the oxygen, then you will stop the corrosion.  Often in aerospace, we use Zinc Chomate or equivalent primer to seal bare metal against the elements.






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Re:Rust preveantive for a steel
Re: Re: Rust preveantive for a steel -- Cragyon Post Reply Top of thread Forum
Posted by: RandyKimball
Barney
03/04/2004, 23:26:22

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Absolutely, there is your answer, I agree.
In fact we used it frequently, for the very reason the question was ask.

Good show! Oh how one forgets.

-randy-




The worst suggestion of you lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them.


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Re: Rust preveantive for a steel
Re: Rust preveantive for a steel -- wedge Post Reply Top of thread Forum
Posted by: RandyKimball
Barney
03/03/2004, 22:26:14

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.... my best shot ...
I've seen this done and can only get you started with my best memory. When having aircraft parts cad plated sometimes they get damaged in handling and a portion of the cadmium gets chipped off. As I remember, there is a dob on substance that is used to touch up these areas. This may be a good possible "solution" (couldn't help myself). My best advice is to request more and better information from a platting business. You may be into your best diplomatic endeavour as you will be asking for free information from a business that makes its living rust proff processing metals for profit. Remember to ask about similar and dis-similar metal electrolysis problems from that same source, in your scenario (though, I figure this is why you want to do the process).
-randy-



The worst suggestion of you lifetime may be the catalyst to the grandest idea of the century, never let suggestions go unsaid nor fail to listen to them.

Modified by RandyKimball at Wed, Mar 03, 2004, 22:28:02

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