CrownLJ(at)verizon.net
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 Posted: Thu Apr 05, 2007 6:19 am Post subject: REF: PRC - Glassfiber tanks and ethanol |
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I looked into PRC a few years ago. Below is a couple of emails that we exchanged. I gave up on PRC. You can draw your own conclusions.
I think that when my other tank gives up, I will use aluminum. To counter the flexing, I plan to keep the "shell" of the fiberglass tanks, and baffle, which is really a compression rib. I figure if I have 2 aluminum tanks, 1 on each side of the compression rib, attached to the spars, that section should be as rigid as original. The other option is 12 gal aluminum tank behind the seat, but that may require more work and that tubing wasn't designed to hold that amount of weight so it probably won't be an option after all.
What do you think?
Larry
Larry wrote.....
Subject = Fuel Resistant CoatingsEC-776EC-776SR
Would these coatings be suitable to use in a fiberglass fuel tank to seal and protect the fiberglass epoxy from being destroyed by ethanol in today’s gasoline? Could you suggest a product that may be suitable?
Thank you,
Larry
Here is the response from 3M
Thanks for contacting 3M. You got it! EC-776 would be an excellent choice for your application. Feel confident in using it.
If you have further questions or need more information, I can be reached directly at 1-800-285-3215, ext. 44.
Regards,
Maria Berglund
3M Industrial Markets
Technical Support Center
1-800-362-3550
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Larry wrote:
Maria,
Thanks for your response. Could you please verify that this product would be suitable in tanks containing ethanol gasoline? I thought a supplier had indicated against it. Perhaps he is not up to date with your product.
Thanks again,
Larry
...and her reply..
Thanks for contacting 3M. If you are putting it on the outside of the tank, the 776 will be resistant to oil, gasoline, aromatic fuels, and hydrocarbon fluid, and salt water. It is not recommended for use with alcohol containing fuels, or jet fuel containing microbial organisms. I believe ethanol would be considered "alcohol containing fuel" so I would suppose you will need to consider this when using the 776. Hope that helps.
If you have further questions or need more information, I can be reached directly at 1-800-285-3215, ext. 44.
Regards,
Maria Berglund
3M Industrial Markets
Technical Support Center
1-800-362-3550
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