Re: Europa-List: Removing PVA release agent

[Graham Singleton <grahamsingleton@btinternet.com>]

Andrew
PVA release, (poly vinyl alcohol) is water soluble. It will be like a 
film and tend to peel off. Wet it and it will soften and feel greasy/sticky.
I am not aware that the factory used it, too much trouble, it is slow to 
dry when applied.
Graham

>
> Now you are getting me worried. I did not wash my XS wing spar before
> applying the reinforcement plies, nor did the manual mention it.  I
> simply scuff sanded it. But I did not notice any adhesion problems.
> Anyone else notice this?