Re: Adhesive plastcizing

From: William Gowen <wdgowen_at_gmail.com>
Date: Wed, 4 Sep 2013 22:07:05 -0400

I noticed the tubes getting smaller!
On Sep 4, 2013 10:02 PM, "Steven Wrigley" <stevenwrigley_at_rocketmail.com>
wrote:

> **
>
>
> Speaking of Duco has any one noticed it being thinner when it comes out of
> the tube? The tube I bought last week was very thin, nothing like what I
> remember. Ive been using it straight no thinning although it could use
> some. Maybe 15/85.
>
> ------------------------------
> *From:* Don Slusarczyk <don_at_slusarczyk.com>
> *To:* Indoor_Construction_at_yahoogroups.com
> *Sent:* Wednesday, September 4, 2013 7:37 PM
> *Subject:* Re: [Indoor_Construction] Adhesive plastcizing
>
>
> Vlad,
>
> I only add platicizer in the glue I use for gluing rolled motor tubes and
> tailboom. The glue I use for that is about 50/50 Duco acetone I mix it by
> eye actually and how well it flows out the glue bottle and test it on some
> trial pieces of thin wood for how well it adheres and how it makes thin
> sheet curl up. If it curls too much I add an extra drop or two then test
> again. I use the 1/2 oz IMS Type C glue bottle and when about half full
> with the Duco/acetone mix I add in about 5-6 drops of DOP as my start
> point, may add a few extra more drops but never more than that as too much
> will make it soak into the wood and not glue then the mixture is useless.
> So I I kind of do two glue tests on a new glue batch , one test is a drop
> of glue on about a 1/4 x 1/4 piece of thin wood ~.008" with a drop of glue
> in the middle to see how much it curls when drying, a little curl up is OK
> then I also do an overlap test of the same wood with about 1/16" overlap
> then let it dry and see it pulls right apart easy or not. Too much DOP and
> it will act like you never glued it. Once you do it once or twice you get
> the feel for it. I never used TCP mainly because when added to microfilm as
> a plasticizer the film would eventually fall apart over time so I figured I
> did not want that in my glue joints, especially on a motor stick. The HLS I
> flew at USIC this year used a motor stick I built 9 years ago and the glue
> joint held just fine all these years so I am sticking with what works for
> me. Hope this info helps.
>
> Don S
>
>
> In preparation of adhesive what are the experiances with plasticizers
> using different types dop tcp etc.
>
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Received on Wed Sep 04 2013 - 19:07:06 CEST