On Mon, 26 Dec 2005 10:30:51 -0500, "Michael"
wrote:

I'd like to know how well the edges can be finished on the material, with a
sander, buffer, jointer? or?

I can finish acrylic edges fine but have yet to meet a plastic that will
give a good finished edge......but I had someone suggest this Starboard
stuff. (would like 3/8" thick or 1/4")

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You should be able to finish the edge by wet sanding with
progressively finer grits starting around 320 and ending up at 1500 or
2000. Follow up with a quick buffing using a good polishing compound
and it should be mirror smooth.