Hi Tom,

I'm dealing with dried on masking tape shards and masking tape glue residue that is a couple years old.   I like your suggestions, especially for the dried on paper pieces, which are all brittle and come off in teeny pieces.  Something like jet-a or kerosene, which doesn't evaporate quickly, could actually last on it long enough to penetrate the surface of the paper and make it pliable again.  I did find that carb cleaner worked well at melting the glue, but it took lots of applications to get it to do anything to the paper bits.  It didn't harm the window at all, which pleasantly surprised me... I tired it in an out-of-the-way corner to make sure it wouldn't hurt the plexi.  it's a long, hard, process, though... I stood at that airplane for over an hour and probably managed to clean up no more than a square foot or so.  This is going to be one of those projects.

   <Marv>





 "Thomas Jakits" <rotary.thjakits@gmail.com> wrote:

Marv,

I only got to ag-spray one season, but it was enough to learn to hate the
chemicals!
To keep the bubble (Bell 47 - Soloy) and the window (Robinson R22) from
getting messed up we used Jet-A or Kerosene -
a rag soaking wet with Jet-A would take all the c**p of the bubble and keep
it of for a couple of flights.
To clean of the Jet-A a heavy water/dishwash soap solution is best.
Also WD-40 should do the trick.
The plastic never bothered with the Jet-A, but don't even think about Avgas
or regular gas....

Thomas


On 5/19/07, marv@lancair.net <marv@lancair.net> wrote:
>
>
> Anyone got a suggestion for what I can use to get dried on masking tape
> and its adhesive residue removed from some airplane windows? This is on a
> Lake LA4 and I suspect the windows are polycarbonate. Any help would be
> appreciated. TIA
>
> <Marv>
>
>
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