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General control line discussion => Open Forum => Topic started by: Mike Griffin on January 02, 2023, 01:41:53 PM

Title: Thinning Super Fil
Post by: Mike Griffin on January 02, 2023, 01:41:53 PM
After mixing the two components I find that the mixture may be a little thick.  What have you all used to thin it?

Mike
Title: Re: Thinning Super Fil
Post by: Jim Svitko on January 02, 2023, 02:49:14 PM
I found that wetting it with MEK substitute will help it spread easier.   There might be other products that work as well but I have only used the MEK substitute.
Title: Re: Thinning Super Fil
Post by: Walter Hicks on January 02, 2023, 04:06:58 PM
An expert finisher advised me to use Lacquer thinner and it indeed works very well . Test the amount on practice pieces as to how much you thin it
Much easier to use when thinned.
Title: Re: Thinning Super Fil
Post by: Ken Culbertson on January 02, 2023, 05:46:37 PM
Quote from: Mike Griffin on January 02, 2023, 01:41:53 PM
After mixing the two components I find that the mixture may be a little thick.  What have you all used to thin it?

Mike

I have used Alchohol since it is or at least acts like an epoxy.  I used it to wet my fingers to smooth fillets and discovered that it was a good thinner as well.  Doesn't take much.  Side + is that a bit thinner it is also a bit sticker.

Ken
Title: Re: Thinning Super Fil
Post by: Brett Buck on January 02, 2023, 07:31:58 PM
Quote from: Ken Culbertson on January 02, 2023, 05:46:37 PM
I have used Alchohol since it is or at least acts like an epoxy.  I used it to wet my fingers to smooth fillets and discovered that it was a good thinner as well.  Doesn't take much.  Side + is that a bit thinner it is also a bit sticker.

   Make sure it is anhydrous/99%, because you do not want to trap water in it. Lacquer thinner or acetone seems a lot safer, although I haven't ever tried to thin it with anything.

    Brett
Title: Re: Thinning Super Fil
Post by: Ken Culbertson on January 02, 2023, 07:38:32 PM
Quote from: Brett Buck on January 02, 2023, 07:31:58 PM
   Make sure it is anhydrous/99%, because you do not want to trap water in it. Lacquer thinner or acetone seems a lot safer, although I haven't ever tried to thin it with anything.

    Brett
I never use anything but 99%.  It only takes a couple of drops to make it stick easier and flow.  Doesn't seem to have any affect on drying time.  The other thinners mentioned are probably better, but I have limits on what I can store in my office/shop.  I can get away with alcohol!

Ken
Title: Re: Thinning Super Fil
Post by: Trostle on January 02, 2023, 09:20:29 PM
Epoxy reducer works very well.

Keith
Title: Re: Thinning Super Fil
Post by: Perry Rose on January 03, 2023, 05:25:48 AM
I mix it in a two ounce cup. If it needs thinning I warm it by floating the cup in hot water or a few seconds in the micro wave. It cures slow enough to not be a problem.