N. Christopher
On Sep 27, 2013, at 11:27, Erik Friesen <e...@aercon.net> wrote: > Has anyone here done much polyurethane resin pouring? I have been trying > to fine tune the process. Current process uses silicon moulds. > > #1. Does it work to use aluminum moulds? It does. > #2. Could it work to use high vacuum to eliminate air bubbles? I would > envision using some type of fill funnel and a pulling a full vacuum, then > opening the entrance to the funnel with some type of rod/oring seal. Some of these resins will out gas when you pull a vacuum on them, so you should check them outside the mold first. It is generally recommended that you you use a mixing method that minimizing entrained air and apply pressure to minimize bubble size. > The current material I am using sets in about 10 minutes, the gel time is > around 50 seconds, so its all static mixed. > ------------------------------------------------------------------------------ > October Webinars: Code for Performance > Free Intel webinars can help you accelerate application performance. > Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from > the latest Intel processors and coprocessors. See abstracts and register > > http://pubads.g.doubleclick.net/gampad/clk?id=60133471&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60133471&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
