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MPPalmer(at)aol.com
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 Posted: Fri Sep 21, 2007 8:35 am Post subject: Acetone on "cured" resin |
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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 <><
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lists(at)stevet.net
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| Posted: Fri Sep 21, 2007 9:20 am Post subject: Acetone on "cured" resin |
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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
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On Sep 21, 2007, at 9:34 AM, MPPalmer(at)aol.com (MPPalmer(at)aol.com) wrote:
[quote]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 <><
*****************************[b]
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jdhcv(at)yahoo.com
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| Posted: Fri Sep 21, 2007 9:22 am Post subject: Acetone on "cured" resin |
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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(at)aol.com wrote:[quote] 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 [quote][b]
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