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You might also want to check out Aeropoxy Light. I am using this and
Superfil. The Aeropoxy Light is similar to Superfil, about the same
price, seems to mix a little easier; has the same concerns with
strength and hardness. Also seems to be slightly more flexible when
cured, and it sands even more easily than Superfil. Both are available
from Aircraft Spruce or Wicks (Wicks prices are slightly lower).
Pat Cohenour
IV-P in progress
patricktc@cox.net
-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of
Jerry Fisher
Sent: Tuesday, March 15, 2005 8:39 PM
To: Lancair Mailing List
Subject: [LML] Re: SuperFil
Mark & Lisa Sletten wrote, "I'm fairly sick of trying to get consistant
batches of Micro. Has anyone used this product?", that is Superfil.
I have used Superfil throughout, which in my case means a whole cartload
of
it to hide my mistakes. I have no idea why anyone would use micro for
filling, it is a pain to use and generally inconsistent between batches
for
sanding. The trick with Superfil is not to expect it to have any
significant structural strength. If you have to use a thick
application,
apply it in several layers. Beyond about 3/16 inch (1/8th in exposed
areas)
I applied a single layer of glass fiber on top of the dry Superfil, then
filled the weave with Superfil once it was hard. Sanding is easy, and
you
do not have to get a perfect surface if you are using their primer, it
will
fill in fine scratches with 6 coats and sanding as per the instructions.
It is also useable in relatively high temperatures, when micro goes off
too
quickly.
The only down sides are that it is fairly expensive, and if you store it
for
a long time, both parts can get thick and are more difficult to mix and
apply (but it still works).
All round, I would recommend it strongly. For more details, go to
www.polyfiber.com, or phone them at 1-800-362-3490. I found their
technical
support staff to be very helpful.
Jerry Fisher
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