[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: REFLECTOR: Old Epolite
You can probably heat up the hardener and get it liguid
and drive off some of the oxidized amines and moisture. I think the recipe
is 105 degrees F for an hour or two. If the jug has been sealed, it will
probably be OK. If it is really dark brown, and doesn't clarify somewhat
and become nicely liquid upon heating; toss it.
The resin is more likely to be fine; although the heat treatment would be
good for it also. You can get E-Z poxy's EZ-83 or EZ-84 hardener from
Aircraft Spruce; and although it says somewhere not to mix with other brands of
resin it should work fine with what you have (D.E.R. 324?). I tossed my
last half gallon of the EZ-84 that came with my kit and used the new EZ hardener
with the remaining D.E.R. 324. Did a couple of qualitative pull tests on 2
BID strip and it seemed as stong as earlier checks.
In getting the new hardener you may want to note that both the -83 and -84
hardeners have about the same pot life, but the -83 cures in 24 hours vs the
-84's 72 hours and is a little bit stronger. However, also note that the
EZ-83 has a viscosity that is about 60% higher than the 84, which makes it very
slow wetting out some fine BID. Also, if you are doing additional layups
later over the same place, the 84 gives you more time to do those and get the
better bond of laying over "green" epoxy.
>This weekend I went to
open my last 2.5 gal of Epolite hardner ...
>and it was all hard. It had
turned into a solid block.
>So, do I need to also toss the 5 gal
of resin, on the assumption
>that if one went bad the other is useless
too? Or am I lucky enough
>that I can just get some hardner? What is the
situation with getting
>Epolite or another replacement
>Thanks much for the help,