Jim,
>
> A couple of questions for you:
>
> 1.  How is the vinyl ester holding up to the ethanol?  Do you have any
> ability to inspect the tank interior?
> 2.  Do you know the percentage of ethanol in the gas you are using? 
> Here in California it is currently 4.7%, scheduled to go up to 10% in
> the near future.
> 3.  Do you recall what formula of vinyl-ester you used?  411-350? 
> 411-45?  Other?
>
> There is still a great debate on how ethanol affects even vinyl
> ester.  I would really appreciate knowing more about your experience. 
> The Ashland Derakane Chemical Resistance Guide says that the 411
> series of vinyl esters are safe up to 10% ethanol.
>
> Best Regards,
>
> Steve Thomas

 

Or, what are the tanks holding E-85 made out of? About 75% alcohol
.All of the underground fuel tanks are now Vinyl Ester.

 

Lynn E. Hanover