To help with the gummy up of the sandpaper. Add a few drop of dish soap to the water in the spray bottle. The soap helps the paper from gummy up.
George Kolasinski On Tue, Nov 23, 2010 at 8:21 AM, smwood <smw...@md.metrocast.net> wrote: > I believe that I read somewhere that there is a product that can be added > to > the final layer of a Vinyl Ester Resin lay-up, that will make it easy to > sand. Does anyone know what it is and where I can get it? > > Daniel R. Heath > ++++++++++++++++++++++++++++++++++++++++++ > Dan, > On a single curve surface you can wet out a sheet of peal-ply (Dacron) over > the last layup available from Aircraft Spruce. After the layup is cured, > peal off the peal-ply to reveal a mat finish surface ready for painting > with > very little sanding. For compound curves where the peal-ply won't conform, > make up some micro with the Vinyl Ester Resin and micro balloons (glass > beads) fairly thick, but still wet. Slather that on and let cure. The > micro will sand very nicely. The Vinyl Ester tends to gum up on the sand > paper, especially if you power sand. Hand sanding works well with the > micro. To prevent the gum up, keep the surface wet with water when you > sand. I used an old windex spray bottle with plain tap water. Wipe the > residue off the sand paper and sanding surface often using a paper towel. > A > sheet of wet sandpaper will sand an entire wing with micro. > > Sid Wood > Tri-gear KR-2 N6242 > Mechanicsville, MD, USA > smw...@md.metrocast.net > > > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > -- George Kolasinski 770 712-0638
