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-   -   Gluing Rubber Bottoms to Corney Kegs? (http://www.homebrewtalk.com/f51/gluing-rubber-bottoms-corney-kegs-336118/)

Kuhndog 06-18-2012 04:16 PM

Gluing Rubber Bottoms to Corney Kegs?
 
I've looked everywhere online for this and only found a few instances as to what people were using but no longer term results. One of the rubber bottoms has fallen off my corney and I need to get it back on. Some are suggesting gorilla glue (it sort of looks like that was previously used on this)..some are suggesting liquid nails...I found one that suggested going to a windshield repair facility and getting a bead of their adhesive.

Does anyone out there used these adhesives? I don't want to spend a fortune in finding one if someone else already has. I'm going to put a silicone bead around the top of the bottom mount where it meets the stainless steel just to make sure it's sealed.

Thanks!

JJL 06-18-2012 05:41 PM

I've not had this issue yet, but I would probably use silicone caulk. Silicone is waterproof. It's flexible, so it shouldn't ever start to peel or crack. It bonds really well. It's waterproof and isn't really affected by temperature changes.

neckbeardbeer 06-18-2012 06:23 PM

I have used random products similar to liquid nail and had excellent success. I put a propane tank on top as a weight and it was good as new the next day.

Kuhndog 06-18-2012 06:53 PM

Quote:

Originally Posted by neckbeardbeer (Post 4181628)
I have used random products similar to liquid nail and had excellent success. I put a propane tank on top as a weight and it was good as new the next day.

You wouldn't by chance remember what those products were do you?

I could get liquid nails...but there are many types available. The key is to have something that adheres to rubber. Most other things will adhere to metal - although stainless steel is different in many ways.

I did some research during lunch - I found Homax Professional Weld adhesive. It's good for metal, rubber, plastics...etc. It is somewhat pliable which is beneficial in that it won't crack as easy...I may give that a shot.

Misplaced_Canuck 06-18-2012 07:07 PM

I've reglued tops with gorilla glue, and I can easily lift a full keg with one hand and it's not even loose.

MC

starsailor 06-18-2012 09:04 PM

Quote:

Originally Posted by Kuhndog (Post 4181292)
... Some are suggesting gorilla glue ...

That's a water cured urethane glue that sticks to most anything soft or hard except some plastics like polyethylene. That will probably work just find as long as both surfaces are clean enough.

Quote:

Originally Posted by Kuhndog (Post 4181292)
...some are suggesting liquid nails...

That's some kind of acrylic or vinyl ester. That may or may not work. Don't know if it sticks to SS that well.

Quote:

Originally Posted by Kuhndog (Post 4181292)
...I found one that suggested going to a windshield repair facility and getting a bead of their adhesive...

The glue that holds windshields in is some super tough urethane. Most are made by 3M and they're strong enough to pick up a car or keep a flying occupant in the car in an accident along with the plastic layer between the glass layers in the windshield. This would definitely work, but you can't likely buy and you'd have to show up at a windshield repair place within 20-30 min of then installing a windshield, assuming they had some left in an open tube they just used. It sets up pretty quick.

Quote:

Originally Posted by Kuhndog (Post 4181292)
...I found one that suggested going to a windshield repair facility and getting a bead of their adhesive...

Another option here is the stuff used to hold on rear view mirrors. That's a kind of crazy glue on steroids (CA). You can get that at the auto parts store in small tubes. It would probably take a couple of those to get enough but I'm pretty sure that will work too. Just make sure to get both surfaces super clean.

Quote:

Originally Posted by Kuhndog (Post 4181292)
...I'm going to put a silicone bead around the top of the bottom mount where it meets the stainless steel just to make sure it's sealed...

Not sure most common silicones will be strong enough to lift a full keg, but would probably be OK on the bottom part.

Another type of adhesive that would work for this too is 3M 5200 or 5100 marine adhesive. It's a very strong urethane that's in the same family as the windshield adhesive, but you can get it pretty easily at HD, Lowe's, and most auto parts or marine stores. One tube would probably do a couple of keg tops or bottoms.

adamreef 06-18-2012 10:34 PM

Another option is E6000. You can get it at craft stores. It is cheap, crazy strong and sticks to just about anything. I think it's silicone based, but is is stickier and stronger under most circumstances.

gregkeller 06-19-2012 12:10 AM

What about JB weld? I just used that to put the handle back on to a corny keg after it had fallen off. I have not filled the keg up with water to test it, but it seems like a really strong bond.

JRems 06-19-2012 12:28 AM

What you want that was described above is 3m window weld. It's meant to hold metal and rubber and glass together and is super strong. Most auto stores have it it's about $15 for a caulk tube of it. I would go to a winshield install shop and give them $5 for a dab on the keg and find a way to put weight on it for a couple days.

thargrav 06-19-2012 01:38 AM

Gorille Glue works best.


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