Today's Message Index:
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1. 09:35 AM - Acetone on "cured" resin (MPPalmer@aol.com)
2. 10:20 AM - Re: Acetone on "cured" resin (Steve Thomas)
3. 10:22 AM - Re: Acetone on "cured" resin (frequent flyer)
4. 11:06 AM - Re: Re: Glasair-List Digest: 2 Msgs - 09/18/07 (Craymondw@aol.com)
Message 1
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| Subject: | Acetone on "cured" resin |
I remember something from the factory in the GlasairNews years ago about
concern over Alcohol in fuel (maybe as it related to auto-gas.) because it wasn't
compatible with our resin.
So out of curiosity, I took a 2 ply layup that had been sitting around for a
while and let it sit in a jar of acetone for a week. I was curious to see if
cured resin could be leeched out.
Yes, it can. There were raw spots of fiberglass after the experiment.
Maybe the difference between what the previous writer said and my results are
due to the fact that our resin system doesn't quite fully cure until you heat
it to 180 or so?
In any event, sounds like another experiment is in order. Someone should soak
a layup in Ethanol.
My 2 cents.
Mike Palmer <><<BR><BR><BR>**************************************<BR> See what's
new at
Message 2
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| Subject: | Re: Acetone on "cured" resin |
Mike,
It is well known that acteone will soften the Derakane vinyl ester
resin. In fact, if you want to clean cured fiberglass off of
aluminum or any other metal, just soak it in acetone for a wile and
it will come right off. Ethanol is another matter. Vinyl esters
were developed specifically for underground gas tanks.
Go ahead and soak some layups in Ethanol and tell us how it works out.
Best Regards,
Steve
____________________________________________________________________
On Sep 21, 2007, at 9:34 AM, MPPalmer@aol.com wrote:
> I remember something from the factory in the GlasairNews years ago
> about concern over Alcohol in fuel (maybe as it related to auto-
> gas.) because it wasn't compatible with our resin.
>
> So out of curiosity, I took a 2 ply layup that had been sitting
> around for a while and let it sit in a jar of acetone for a week. I
> was curious to see if cured resin could be leeched out.
>
> Yes, it can. There were raw spots of fiberglass after the experiment.
>
> Maybe the difference between what the previous writer said and my
> results are due to the fact that our resin system doesn't quite
> fully cure until you heat it to 180 or so?
>
> In any event, sounds like another experiment is in order. Someone
> should soak a layup in Ethanol.
>
> My 2 cents.
>
> Mike Palmer <><
>
>
> *****************************
Message 3
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| Subject: | Re: Acetone on "cured" resin |
Hi Mike, Interesting results. They have said that the vinyl ester resin we use
is used to make fuel storage tanks but I have no proof of that. Acetone is a little
more likely to affect it than alcohol I would think.
Jack
MPPalmer@aol.com wrote: I remember something from the factory in the GlasairNews
years ago about concern over Alcohol in fuel (maybe as it related to auto-gas.)
because it wasn't compatible with our resin.
So out of curiosity, I took a 2 ply layup that had been sitting around for a while
and let it sit in a jar of acetone for a week. I was curious to see if cured
resin could be leeched out.
Yes, it can. There were raw spots of fiberglass after the experiment.
Maybe the difference between what the previous writer said and my results are due
to the fact that our resin system doesn't quite fully cure until you heat it
to 180 or so?
In any event, sounds like another experiment is in order. Someone should soak a
layup in Ethanol.
My 2 cents.
Mike Palmer <><
*****************************
---------------------------------
Fussy? Opinionated? Impossible to please? Perfect. Join Yahoo!'s user panel and
lay it on us.
Message 4
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| Subject: | Re: Glasair-List Digest: 2 Msgs - 09/18/07 |
Some Glasair builders coated the inside skin leading edge areas to prevent
fiber glass fibers from getting in their fuel system. If they didn't use exact
ratio of resin to catalyst and the resin hasn't fully cured, they may have
problems with ethanol.
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