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Devcon 10110 Shelf Life

TIMO

Still working on it???
Silver $$ Contributor
Have a small bedding project, for a wood stock. Nothing fancy just wanting to put an old stock back in to use. This in on a Remington 700 SA (.223 Rem.). I found some Devcon 10110 that I have had for at least 7 years. Is it still good to use. It has been stored well, I opened the hardener and it looked like it did when new. The putty, once I finally could get it open looked as normal, but seemed a little thick in the texture (stiff). I mixed a small portion to test and see, (will see tomorrow). As I mixed the hardener with the putty, it seemed to mix fine just a little stiff. Should I just trash it and buy some new or try it and hope it works.

Thanks,
Tim
 
I am in a similar situation. I did not find anything on the age, but for the thickness, it can be thinned with acetone. If I find anything else in my search, I'll let you know.
 
I think al bets are off once you pass the shelf life.

I had some that was given to me (thrown away because of shelf life) that I used for
several years until I ran out of it-----never saw any signs of deterioration.

I think I'd want to mix a bit up and let it cure before smearing on anything of value.

A. Weldy
 
Check this thread on here http://forum.accurateshooter.com/threads/devcon-shelf-life-and-date-codes.3917014/

It seems they changed the formula a while back and had problems with it. seems the consensus is if the hardener is still smooth, it should still work ok. The tip was to just mix up a small batch and see if it sets up overnight.

I just hate to throw away stuff that I can still use. That explains the mess in my garage. I tell my wife all the time I'll get around to using all that stuff someday!
 
The epoxy part has bodied up some (polymerized) but this would not hurt anything. Pot life may be a little faster than usual, but I'd use it. I would not put any solvents into the mix as they would tend to give voids in the cured product, and certain solvents can react with the epoxy.

Chris
 
Thanks, to everyone's input. Last night I mixed a test sample, will check it tonight after work to see it it is still usable or not.

Thanks
Tim
 
Don't use solvents to get it runny. As with all epoxies, get the putty warm and it will smooth right out real fast. I float the tub of glue in a quart size container of hot tap water while getting other stuff ready. A few years back they had some bad hardener due to the EPA breaking their balls over some ingeredients in it, and the first "new" hardener crystallized and was junk. That stuff is no good once it turns. They have since fixed it. For Space Shuttle work I would not use epoxy past its date. For rifle bedding, if it sets and gets hard, you are probably A-OK. Run a small test batch and go from there.
 
Don't use solvents to get it runny. As with all epoxies, get the putty warm and it will smooth right out real fast. I float the tub of glue in a quart size container of hot tap water while getting other stuff ready. A few years back they had some bad hardener due to the EPA breaking their balls over some ingeredients in it, and the first "new" hardener crystallized and was junk. That stuff is no good once it turns. They have since fixed it. For Space Shuttle work I would not use epoxy past its date. For rifle bedding, if it sets and gets hard, you are probably A-OK. Run a small test batch and go from there.

This is very solid advise little to add other than person experience with devcon that is 15 years past date and it still works fine . I need to warm it up in the hot water path as described to get it to flow better.
On a side note I think remember reading about using glycerin to thin epoxy when it had gotten thick Anybody remember seeing this? Might have been Bisonite
 
Another thing to remember is it's intended use.
I've used Devcon while working on aircraft. Every chemical has a shelf life for that field (almost).
It's more a structural, (and liability) question once it ages so long.

For bedding actions, yeah, i'd use it!
 
The resin is fine. The hardener, however, if it has started separating like oil on peanut butter....well, no bueno.
 
Another thing to remember is it's intended use.
I've used Devcon while working on aircraft. Every chemical has a shelf life for that field (almost).
It's more a structural, (and liability) question once it ages so long.

For bedding actions, yeah, i'd use it!

You haven’t had to scrape off a Winchester 70 before.
 
Update, checked my test sample from last night. Everything looked and seemed as it should be. The small sample was very hard, so I would say it is OK, but I had went ahead and ordered some new since this is for a bedding project. I will save and use the older Devcon for other projects. As suggested, I will warm the putty next time before adding the hardener so see if that takes some of the stiffness out.

Thanks,
Tim
 
Update, checked my test sample from last night. Everything looked and seemed as it should be. The small sample was very hard, so I would say it is OK, but I had went ahead and ordered some new since this is for a bedding project. I will save and use the older Devcon for other projects. As suggested, I will warm the putty next time before adding the hardener so see if that takes some of the stiffness out.

Thanks,
Tim
Warm up the new stuff too. Sometimes my shop is quite cold, and the putty portion is stiff as a board and needs to be warm to be worked easily. It wont hurt nothin' to warm it.
 

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