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I have Loctite 60 min Professional epoxy resin. I used it to fill a crack in my hatch. It did not seem to fully cure. I did this earlier today. So I dug out the epoxy out of the crack. One of two things must be wrong. Either I didn,t mix even amounts or it's wrong type to use, or I didn't let it cure all the way. Ideas, thoughts?
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Sometimes if it's a cool or you don't get it mixed quite right it takes longer to cure. If it was slightly soft where you could dent it with your finger nail or was firm but felt a little tacky, I probably would of let it set for a few days. That is unless you knew you were way off on the mix ratio.Mike Chirillo
www.capitolrcmodelboats.com
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You can't fudge on epoxy ratios. They have to be exact. Also make sure you are mixing it completely. Most will turn clear when fully mixed. At first there may be cloudiness, or swirls, then it turns clear. Give it at least a full minute of mixing. Turn your mixing stick as you mix, also dig it off the sides of the container and bottom.Comment
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I went and filled the crack up again. Will let you know how I faired.Comment
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If its old there can also be a problem.Steven Vaccaro
Where Racing on a Budget is a Reality!Comment
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The shorter the potlife of epoxy, the worser the quality in the long term.
I use nothing but 24 hrs epoxy.
The fast epoxies will be like bubblegum after a few years.Comment
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It seems the quality was better in the old days :-)
All boats that I refurbished and contained 5 or 30 min. epoxy had this
bubblegum inside.Comment
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I have had the same problem with some Locktite epoxy products and refuse to use them. A club member tried some last month and it didn't cure fully either. It is not the mixing, and the products were purchased and used within a week....which doesn't mean the product wasn't too old. I have never had this problem with Devcon, Z-Poxy, etc.
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Jay .
Was there a PRODUCTION-date on the package ?Comment
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Gerwin is right here, I recently bought some Loctite from RS Components in the UK and the production date was 2007, a bit off... I tested it and it is absolute rubbish... waiting for the refund now. By the way, being a syringe package, the mix was correct.Comment
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Syringe packages I don't like because one component always flows faster than the other resulting in uneven mix.
The older it is the worse it is.
Also, mix on top of plastic. If you mix on cardboard or paper, absorbtion can throw off the mix.
I have used Loctite or Permatex "Cold Weld" It's like a 5 minute JB weld. It works for me but, my buddy can't get it to work for nothing... Odd...
Nortavlag Bulc Comment
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I don't remember, but there is no production date on my Devcon and I have used some I know to be at least three years old - because that's how long I've owned the tubes. J-B Weld has no production date on the package, yet I have never had a problem with it either. If a particular brand is so sensitive to age and has such a limited shelf life - why even buy it?Jay . Was there a PRODUCTION-date on the package ?
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Well I applied the epoxy again and seems to be the same as before. The surface seems tacky or something can't quite describe it. It's been a couple of days. I think I will junk the stuff. I have used devcon as well in the past with no problems. Is there any other long work time epoxies that are good but not hard on the pocket?Comment
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