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Old August 2, 2011, 04:03 PM   #1
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Too Much Mineral Spirits in Corn Cobb Media!

This morning I decided to try a small amount of mineral spirits in the corn cobb media when vibrating some .357 casings. It works quite well and the shells are comming out cleaner than using the media alone and with a shorter cycle time. Since it is over 100F here today I figured the mineral spririts would volitalize into the air so I added a bit more to the second batch and a more to the third batch. Third time was the charm and the media is wet to the point that the casings don't want to move around in the media. I have the media and casings out in the sun now and wonder if all the mineral spirits will eventually evaporate or will the heavier componants remain. In other words should I dump this stuff and start all over or will it dry out enough to us later on? Thanks...
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Old August 2, 2011, 04:45 PM   #2
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You are OK, (), All that you have to do is take the top off and let it agitate for about 10 min.
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Old August 2, 2011, 07:06 PM   #3
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I thought that mineral spirits was flamable? Media doesn't cost all that much. Just replace it.

Si vis pacem, para bellum
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Old August 2, 2011, 07:56 PM   #4
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The mineral spirits will be gone in 24 hours. No need to throw it out.

But if you had enough to get it that wet you added WAY too much. I find I only have to add more once a day. I use a plastic squeeze bottle (like ketchup and mustard used to be in on restaurant tables) so I can spread it out and monitor how much I add. I give it 2 quick circles around the agitating media about 10 minutes prior to adding the brass. Works great for me.

I also use OMS (odorless mineral spirts) to keep down the odor since I tumble in the basement.
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Old August 2, 2011, 08:57 PM   #5
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I find that about a teaspoon or two about every 3rd batch is plenty.
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Old August 2, 2011, 09:43 PM   #6
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Thanks for the help. It dried out letting it sit out in the sun for 2 hours and stirring occassionally.
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