Liquid magic for strong (and clean) plastic joins.
If you plan to join box panels or similar plastic construction, Plastruct is pure magic. It's super-thin, so capillary action makes it incredibly effective.Should I mention that it makes a really strong bond, too?
I recommend that you invest in a few steel-needle "squeeze" bottles if you want a really clean join along clear plastic panels -- just touch the steel tip to the joint and let gravity and capillary action do the magic. (Caution: Don't over-fill the squeeze bottles - about 25% of the squeeze bottle volume is plenty. Over-filling will make it too easy to put too much of the liquid at the seam, thus causing puddling.)
Also, I like to use Plastruct to attach very small pieces of plastic on my aircraft models -- I just tack the piece on and then (later) use the Plastruct bottle brush to "paint" a coat over the piece to seal any gaps. If you don't over-do it, you wind up with a very nice-looking (and very clean) seal. Do remember to use this stuff in a very well-ventilated area, preferably one with an exhaust fan -- the fumes are not healthy!
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