Aero Vail, what is it good for?

[Andrew Borgogna]

I made a mistake and ordered Aero Vail from Aerospace Composite Products instead of carbon vail.  Aero Vail looks nothing like carbon vail and I am not sure what to use it on or what it is intended for.  I have a 25' roll of the stuff and hope it is useful on control line aircraft.  I was thinking of using it to cover the profile fuselage for the Profile Nobler to add some stiffness, but I don't know what it weighs or if it will add structural value.  Any help will be greatly appreciated.

Here is what the add says:
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AERO VAIL (MV)

A lightweight non-woven fabric of synthetic fibers specifically designed to improve the aesthetic qualties of wet lay-up laminates. It has excellent formability and drape. Wets out evenly and will add little to the laminate's thickness.
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[Bob Reeves]

Have no idea what the stuff is but would think 25 feet is way too much to just eat.. Call them and see if you can exchange it...