Re: Os film covering adhesive

From: William Gowen <wdgowen_at_gmail.com>
Date: Fri, 3 Jan 2014 22:26:36 -0500

I think that Mark Bennett's method is in the files section. It's the same
that I use. I use 10:1 Naphtha to 3M77.
On Jan 3, 2014 6:07 PM, "Don Slusarczyk" <don_at_slusarczyk.com> wrote:

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> Yes 4 thinner to 1 glue for start for OS film or maybe 3:1 to start , it
> is always easier to add more solvent! I use a thinner mixture ratio for
> Y2K2. The solution will have no real tackiness when you feel it on your
> fingers, that is why you have to wait about 30 minutes to let the solvent
> evaporate completely and see what is left holding the wood to the film and
> the strength of it. I cover with plastic exactly like I do with microfilm
> using a brush to apply the mixture around the outline and the wing upside
> down and then use tape to slack the edges. I wait a good 30 -45 minutes
> before cutting out but before I do, I flip the frame over and look from the
> top side down to ensure I can visually see the film attached to all the
> outline. If I see a questionable spot I apply more mixture. As far as
> weight saving you can actually easily over do it by saturating the wood
> with too much solution and you add dead weight. Kind of like the old
> condenser paper days and too much shellac. The dilute spray solution for me
> works best on Y2K or Y2K2 film as it acts much like microfilm when you
> apply the solution it wicks in and you can watch the wicking action then
> you apply the next drop a few inches away. I find OS film a bit thicker (at
> least my roll is) and I have to use a stronger mixture and it does not wick
> very well so can easily be over applied which I did to my F1L wing. My
> current preference with OS Film actually is to just use spray adhesive then
> drop onto the film that is on a frame. Then if I mess up putting it on the
> film I can run straight thinner around the edges and reposition as needed,
> kind of a hybrid cross of the two methods.
>
> Don S
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> Thanks Don Is that 4 parts thinner to 1 part adhesive? Any other pointers
> do i apply just fame on film and run adhesive around frame like we used to
> do with microfilm before we started using film on frame metod. How long is
> drying time before trimming. Do you find waight savings by using this
> method Vlad
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Received on Fri Jan 03 2014 - 19:26:37 CET