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  #1  
Old 07-13-2019, 6:39 AM
Psychbiker Psychbiker is offline
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Default Brass has condensation after tumbling - Can & Bucket, Ideas Why?

I've been wet tumbling lots of brass passed week using the hot Cali sun to dry them.

I opened a 50 cal can of brass I cleaned 3-4 days ago and the top layer seemed dull. I further checked and the insides and inside lid had condensation on them.

Any ideas why?

These brass was bone dry when I put them in the ammo can and brought the can in side the house. It is in direct line of sun and maybe got hot and cooled down?

So I then checked a 5gal plastic bucket that's 3/4 full of 9mm I cleaned. The lid is not on tight, just resting. I lift the lid and the notice the side of the bucket and lid also have condensation.

I'm gonna dump out the 50 call can leave them in the sun all day.

The 5 gal, I'm gonna leave the lid off and put in the sun, let the bucket and brass heat up and maybe evaporate.

Not sure what would have caused the condensation.
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Old 07-13-2019, 7:13 AM
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I'm gonna guess that they aren't completely dry. When you say your next step is to dump the can and then "leave them in the sun all day" I'm assuming they weren't allowed to dry long enough the first time. Add in even more time if you tumbled them before de-priming. Water will take much longer to evaporate out of the seated primer. I usually de-prime before wet tumbling.

Whenever I wet tumble I leave the brass out or in an unsealed container for at least a couple days. Usually does the trick with even 223 cases.
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Old 07-13-2019, 7:36 AM
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^^ Couple days out really? I can do that. I was worried they'd tarnish being left out at night. I'm norcal east bay so probably not.

I won't deprime my pistol brass, too much of a pain. Rifle for sure.

Today they will bake in the sun all day and I'll I'll leave them out.
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Old 07-13-2019, 8:19 AM
baih777 baih777 is offline
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Was it all deprimed?

I wet tumble.
I blow off the cases with air.
Then let sit in the sunlight on a dry towel for at least 1 hour if not 2 hours.
Winter time I have to bring in the house to dry overnight. .

I store in 2 gallon buckets. And I use a 8 gallon plastic trash bag .
A bag of dissicant and zip tie the bag closed.
The 2 gallon buckets don't have a seal. That's why I use the trash bags.
I have around 20 buckets of brass stored this way.

I order these 2 gallon buckets and pickup at the store. These are the stronger buckets. Case of lids listed at bottom of page. It's cheaper to order the 10 pk case of each.
https://www.homedepot.com/p/Argee-2-...2-10/204081114
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Last edited by baih777; 07-13-2019 at 8:45 AM..
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  #5  
Old 07-13-2019, 8:44 AM
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Youd be surprised what it takes to get parts with internal cavities or holes dry. Like others said, CDA and heat is best and the industrial method.
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Old 07-13-2019, 9:07 AM
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I roll the brass in a beach towel to get rid of a lot of the water, them bake in the oven at the lowest setting (170F) for one hour, dry as a bone.
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Old 07-13-2019, 9:54 AM
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I dry mine In the oven, set too 170 Degrees for a few hrs, even then, some rifle cases wont be fully dry, so I just go and shake them once In awhile, or just leave them In longer.
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Old 07-13-2019, 10:12 AM
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Don't forget we've had around 60-70% humidity at least once when i checked last week.
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Old 07-13-2019, 10:58 AM
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Not really interested in baking for hours and the $$ in gas for the oven and maybe the contaminates.

It supposed to get almost to 90 today. I’ll shake them more in a towel and set them out more.

Also, jealous of all you guys with buckets of brass. I have a 5gal and 2 50 cal cans of 9mm and that seems like a tone to me. Be nice to shoot and not worry about picking up every piece.
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  #10  
Old 07-13-2019, 12:20 PM
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It is always interesting to see how other people go about the process of drying brass, but I'm sometimes confused about the logic involved.

1. If you're not going to deprime before washing...I'd don't deprime handgun cases...you have to allow additional drying time as you don't have the assistance of airflow through the flash hole.

2. When the ambient temperature gets into the 90s, I lay my brass in a turkey pan out in the sun... single layer works best...it is important that all the cases be in direct sunlight. I usually leave them out 3-4 hours.

3. If drying in the oven, I set the oven to Convection Bake and the temperature to 215...the boiling temperature of water is 212...and leave them in 20-30 minutes.

4. Avoid sealing cases into containers before they reach room temperature to avoid condensation.
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  #11  
Old 07-13-2019, 12:23 PM
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The primer pocket is probably still wet as moisture will not readily evaporate out the flash hole quickly.
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Old 07-13-2019, 1:11 PM
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the real solution is to use corncob media
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  #13  
Old 07-13-2019, 4:14 PM
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Quote:
Originally Posted by Divernhunter View Post
the real solution is to use corncob media
But it comes out of the wet tumbler so sticky.
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Old 07-13-2019, 7:20 PM
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Quote:
Originally Posted by Psychbiker View Post
Not really interested in baking for hours and the $$ in gas for the oven and maybe the contaminates.

It supposed to get almost to 90 today. Ill shake them more in a towel and set them out more.

Also, jealous of all you guys with buckets of brass. I have a 5gal and 2 50 cal cans of 9mm and that seems like a tone to me. Be nice to shoot and not worry about picking up every piece.
Gas Is cheap, And It's not like I do it everyday. I just do batches and stick the cases In the oven.

No buckets for me, I have them In those big totes with lids
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Old 07-13-2019, 7:24 PM
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Neighbor gave me a never used sun oven when he moved away. I didn't tell him I'd be using it to dry out brass.

I bet this sun oven will be a hot item tomorrow morning in New York when there won't be any electricity to heat the water on that double 2% starbucks with foam.
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Old 07-13-2019, 10:02 PM
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I use the dehydrator method as well. It works amazing. I bought mine from Harbor Freight a few years back. When I finish tumbling, I take the brass and put it in the middle of a huge beach towel. I pick the towel up and shake it/agitate the brass as much as possible to get the water out. I bet this gets 85%+ of the water out. The dehydrator does the rest!
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Old 07-14-2019, 6:52 AM
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After depriming, ss washing, separating the pins, then I pour the brass into a 5 gallon bucket.

The bucket has lots of drilled holes on the bottom. I shake the brass around and the water drips out. If need be, I use the bucket to extra rinse the brass, or use the bucket to wash the brass after range pickup.

After the bucket, then I use a brass dryer from Frankfort Arsenal. This dryer has temperature settings.

I did drop the dryer and broke the temp setting, so I used my wife’s hair dryer.

That hair dryer dries faster than an oven and the brass will burn you.
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Old 07-14-2019, 9:43 AM
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Quote:
Originally Posted by Sheldon View Post
The primer pocket is probably still wet as moisture will not readily evaporate out the flash hole quickly.
yes thats the problem
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Old 07-14-2019, 9:44 AM
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Quote:
Originally Posted by Sheldon View Post
The primer pocket is probably still wet as moisture will not readily evaporate out the flash hole quickly.
yes thats the problem

or tumble in walnut then have a nice smooth walnut dust to lube the cases.
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Old 07-14-2019, 11:22 PM
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I use JetDry in my mix of Simple Green and Dawn when I wet tumble, and shake them in a towel. They’re dry in about an hour.
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Old 07-15-2019, 6:59 AM
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Quote:
Originally Posted by Psychbiker View Post
Not really interested in baking for hours and the $$ in gas for the oven and maybe the contaminates.
You're worried about contaminants on brass in the oven? You cook food in it, don't you? Do you worry about contaminants there?

Personally, I use an electric food dehydrator (about $90 on E-Bay); an hour at 70C dries decapped brass quite well (a half hour does it, but an hour is a lot easier to set on mine.)

For non-decapped brass, I would suspect it would take a *lot* longer, as the water vapor would have to migrate out through the flash hole; not a lot of air transfer through the tiny hole, so getting water out will be really slow. And the residual ash will tend to hold liquid which exacerbates the problem.
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Old 07-15-2019, 7:44 AM
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Good lord, how many times can a dead horse be beaten?

Dry or do not dry, there is no try.
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Old 07-15-2019, 10:16 AM
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Vibratory tumbling with cob, brasso, and a solvent and I've never had this issue.
I'm just saying...
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Old 07-15-2019, 11:24 AM
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Quote:
Originally Posted by Psychbiker View Post
I've been wet tumbling lots of brass passed week using the hot Cali sun to dry them.

I opened a 50 cal can of brass I cleaned 3-4 days ago and the top layer seemed dull. I further checked and the insides and inside lid had condensation on them.

Any ideas why?.
Because you did not fully dry them.
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  #26  
Old 07-15-2019, 11:38 AM
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Quote:
Originally Posted by ar15barrels View Post
Because you did not fully dry them.
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Old 07-16-2019, 2:59 PM
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I pour the wet brass onto a towel and use the hammock method to “tumble dry”. I then spread them onto a fresh towel and just let them air dry. I got a cheap box fan from Walmart and sometimes set that up. I typically let it sit for a few days. I work a lot and don’t typically tumble brass and reload on the same day so I can deal with letting them sit out for a while.
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