Surface rust on a couple of items


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Wayne02
December 5, 2009, 10:13 PM
I have some spotting of surface rust on a couple of items that I'd like to take care of.

One is the LNL shellplates that Hornady reworked and shipped back to me. A couple of them returned with surface rust spots on them. I'm assuming this is unprotected metal after the machining process so it may not be surprising. These plates were new in the box, never used when I sent them in.

The other is PTX that I ordered and had some surface rust spots forming on it as well when received.

I would like to clean these up and maybe put something on them to disuad any corrosion in the future. However, I understand that coating these parts may not be possible given their function.

The shell plates: Once I remove the rust (scotchbrite pad?) can I coat these with something that will help dissuade the rust but not impede function?

How about the PTX? The rust spots are on the outside. What do you think about coating it with something, or not advisable given its proximity to the powder during the process?

Thanks

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warnerwh
December 5, 2009, 10:40 PM
I'd clean them with some fine steel wool and Break Free. Clean them up good and put a light film of the Break Free on them. Before you use them wipe them down. If there's a tad of oil left it won't hurt anything.

ReloaderFred
December 5, 2009, 10:55 PM
When I get a situation like you describe, I normally put the parts in one of my tumblers with corn cob and let the part tumble for awhile. This will take all traces of the rust off, if it isn't deep into the steel. Just be sure to tumble them a couple of parts at a time so they don't ding each other up.

Once they've had the rust removed, and any dust left over from the tumbling process, then I'll use a good automotive paste wax on them. This will provide a protective coating and if you buff it lightly, won't cause any problems like an oil base product would.

Hope this helps.

Fred

Wayne02
December 7, 2009, 05:01 PM
Thanks guys, I'll give those a try. I had not considered using car wax but that makes sense.

rcmodel
December 7, 2009, 05:17 PM
Use Johnson's Paste Floor Wax.
It's way better stuff then car wax.

http://www.thehighroad.org/showpost.php?p=4110525&postcount=7

I sure don't recommend CLP on a loading press as it will quickly accumulate spent primer dust and powder granules.
Floor wax is clean and nothing will stick to it.

rc

ReloaderFred
December 7, 2009, 09:08 PM
"Use Johnson's Paste Floor Wax.
It's way better stuff then car wax.
"

I didn't know they still made that stuff...........

Fred

Galil5.56
December 7, 2009, 09:37 PM
I used to use JPW, now I use a very thin coat of Lee Liquid ALOX... Its main ingredient is an extremely good anti-corrosive agent, and once dried is extremely tenacious. Works real well to keep blued CCW's rust free too.

JPW also makes a pretty fair bullet lube by iself, as it dries to a pretty hard finish.

Jesse Heywood
December 10, 2009, 01:52 AM
I've had better luck with Renaissance wax than Johnson paste wax.

You can also use a clear spray sealer if you want something more permanent. Several are easily available in the automotive paint or woodworking finishes. They are not solvent resistant. If you want that Brownells sells some epoxy coatings made for use with gun solvents.

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