Interesting discussion. My acrylic place has advised against doing ANY edge finishing of properly-cut cast acrylic, as that will increase the possibility of edge crazing or cracking.
Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- on the hard in Bayfield, WI :^( > On Mar 4, 2016, at 11:49 AM, Bill Bina - gmail via CnC-List > <[email protected]> wrote: > > Professionals sometimes do things because they are faster and more efficient, > not because they are better. They also get a lot more practice! I have > finished edges with a torch, and found it leaves you with uneven thickness > along the edge, which may affect sealing on something such as a window. The > edge sort of "mushrooms". For some applications, that would not be an issue. > I find it is not very daunting to finish the edges starting with a belt > sander and then hand sanding with a block before going to a buffing wheel and > compound for the final polish. > > Bill Bina > > On 3/4/2016 11:55 AM, Alan Liles via CnC-List wrote: >> I was advised, by a professional, to use a propane torch to finish the >> edges. It makes sense but I would have to practice a bit on scrap before I >> tried it on the real windows. >> >> Al >> S.V. Elendil >> 37/40+
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