by Bill Gaylord » Sat Feb 11, 2017 4:27 am
I use gap filling (thicker) CA, with activator spray. The part half mating seams are first decked to where there is very little, to no flange remaining. The parts halves are then tack glued in multiple areas, to ensure full alignment of both halves. If I want more sanding latitude, then thick CA is ran inside the part, flowed along the inside of the seams, and then misted with activator for instant curing. A small amount of thin CA could also be used, although it will tend to also flow through the seam, if not tight. Too much activator can cause a bit of heat warping to the thin plastic. Any outer seam showing at this point is sanded and/or scraped down, so that no mating seam is showing.
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