Ammo Can Gaskets & Oil


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Captains1911
October 2, 2012, 02:07 PM
This may not be the best place for this, if not my apologies. Anyway, I store all my ammo in ammo cans. When I first started doing this, I would apply some Breakfree CLP to the rubber (neoprene?) seal gaskets with a q-tip, because I once read somewhere that this could help increase their longevity. Now I'm reading that I may have done more harm than good as petroleum based oils can breakdown rubber. Great...I have probably done this to 15-20 cans, and although I haven't noticed any deterioration, I really haven't been looking that closely. Although, applying the Breakfree to the seals turns the q-tip black:banghead: Am I over stressing? I really don't want to have to replace $200 worth of cans, but I will if that's what I need to do to ensure they have good seals.

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M-Cameron
October 2, 2012, 02:14 PM
IDE switch to using air tool oil, it's designed to be used with orings so it shouldn't harm the gaskets...

Clp is very mild, do its unlikely you've done serious damage to the cans

clamman
October 2, 2012, 02:55 PM
Oil ammo can gaskets? For real??:confused: I have literally dozens of them chock full of ammo and some are pretty old. Mine seal just fine just the way they are. You have too much time on your hands. Go rake your yard.

Captains1911
October 2, 2012, 04:00 PM
Oil ammo can gaskets? For real??:confused: I have literally dozens of them chock full of ammo and some are pretty old. Mine seal just fine just the way they are. You have too much time on your hands. Go rake your yard.
Well, considering it took all of about 10 seconds to apply the CLP when I bought the cans, it really isn't an issue of time. If it helps protect the seal, it's time well spent IMO. However, my concern is the oil on the rubber, not the time it took me to apply it years ago.

Hammer-52
October 2, 2012, 04:06 PM
Try using silicon or even easier vaseline. Both will keep the gaskets pliable, make them last longer and easier to open. Personally, I just dip my finger in the vaseline jar and run it along the gasket. Do it maybe once a year unless you live in the desert then maybe twice a year. Probably overkill but hey it doesn't take long.

Just my two pennies.

rcmodel
October 2, 2012, 04:08 PM
Silicone spray.

Same stuff an auto technician uses on the door & window seals in your new car.

rc

Certaindeaf
October 2, 2012, 04:15 PM
I'd say silicone oil, di-electric grease or Vaseline or even something like armorall. Or just leave it alone. A lot of solvent type or even regular oils are pretty bad on rubber/things like rubber.

DPris
October 2, 2012, 04:50 PM
Vaseline is a purish form of petroleum jelly & CAN attack rubber.
It's specifically dis-recommended for the O-ring seals in my well filter cannister, among other places.
I wouldn't apply it on other rubber products.
Denis

22250Rem
October 2, 2012, 07:55 PM
I used to have some pure silicone that I used for rubber stuff but over the years discovered that something like ArmorAll works just as well. Turtle Wax markets a similar product but I can't recall the name of it. They are both safe for rubber and I've been using them for years on stuff like the soft rubber door seals on my truck and just about anything rubber and the stuff works great. There's no dried out or cracked rubber around here so I've become a believer.

SilentStalker
October 2, 2012, 08:30 PM
For what its worth, Armor-All is not a good thing to use either. It is known in the auto detailing world that Armor-All is some of the worst stuff you can use on rubber. It actually accelerates wear. I will spare you all of the technical details but I am sure you can google it.

303tom
October 2, 2012, 09:04 PM
Petroleum jelly, I even use it on my car door gaskets so they don`t freeze shut in the winter.................That or silicone grease.

ghoster
October 2, 2012, 09:34 PM
yep they are toast.:what:

send em to me for disposal.:D

I have and fire ammo that my grandpa bought and stored in the cubbard in the milkhouse on our farm.

I'm 50 so its well over that and fires fine.

The boxes were totally disinagrated and the ammo was dirty so I tossed em in the tumbler and they look and fire like new.

19-3Ben
October 2, 2012, 09:40 PM
Try using silicon or even easier vaseline.

Vaseline is petroleum jelly. That is one of the WORST possible things to use on anything rubber!

badt00d
October 2, 2012, 11:08 PM
Get some Sil-Glyde - silicone grease, old napa number was 765-1351. It is not petroleum based-won't wreck primers. Work some into a soft rag, rub your gun with it, no more rust. It won't attack the rubber gaskets either. Great stuff for lots of different applications.
I would imagine that the government would spec good rubber. My .02, JT

Texan Scott
October 3, 2012, 12:44 AM
Never use petroleum product on rubber. You're actually better off leaving them dry. I bet some of yall have five or six kids. :neener:

plateshooter
October 3, 2012, 05:26 AM
Another vote for the silicone. I use the spray on my ammo box gaskets.

Drail
October 3, 2012, 10:24 AM
I am pretty sure that the gasket used on GI ammo boxes is neoprene, not rubber, and should be impervious to almost any solvent or lube you have in your shop. You really don't need to put anything on the gaskets. The only time I have seen any damage to an ammo box gasket is when the manufacturer did not allow the paint to cure before closing the lid. The paint sticks to the gasket better than it does to the metal.

idoono
October 3, 2012, 06:39 PM
Use Dow Corning Di-electric grease. Instrument techs in power plants been using that stuff for years.

Idoono

Captains1911
October 5, 2012, 08:43 AM
I ended up putting some of this on the seals, now I'm done worrying about it. Thanks for the replies.

http://www.meguiars.com/content/global/product/2741_lg.jpg

col.lemat
October 5, 2012, 11:03 AM
TOAST! Big big mistake Rubber willl be rotten in five years

OilyPablo
October 5, 2012, 11:57 AM
Silicone oil or grease. VERY light application. Good for many years stored in a controlled environment with desiccant packs inside. Works for me. I use it on my steel (Mil) and plastic (MTM and Cabela) can rubber/neoprene seals.

chrisf8657
October 10, 2012, 04:01 PM
Good someone asked this - I read several times "use Vaseline"...luckily haven't done it yet...guess it's going to be Silicone grease now.

Drail
October 15, 2012, 11:12 AM
What exactly are we trying to accomplish by greasing the seals?

Captains1911
October 15, 2012, 01:10 PM
What exactly are we trying to accomplish by greasing the seals?
increase longevity, stated in OP.

Drail
October 15, 2012, 11:13 PM
Oh, kind of like smearing shinola all over your tires and dashboard and seats?:rolleyes:

SilentStalker
October 22, 2012, 08:48 PM
There is a product called Vinylex that I used to use in the auto detailing world way back in the day that is perfect for this stuff. It will not break down things like most of the products in the detail world will. I still use it on my personal cars.

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