see below Tom Baffico wrote: > > Hi, > snip > I took my bare wood plug and painted on two layers of resin (laminating > resin is all > I have and that could be part of the problem.) I then tried hitting it with > some sandpaper > before the third layer. Didn't sand very well. Felt waxy. > > With the third layer I was really trying for the final coat but got some > particles in the resin > and had to sand it down more than I wanted. This is taking a really long > time with the slow > curing time for the resin and I'm getting a bit impatient. >snip I dry sanded previously, any thoughts on wet > sanding this plug > for the final finish?
Yah. If you have lungs, it's a good idea! > > OK. Here are my questions: > 1. Am I really screwing up using a laminating resin? (Is there an epoxy > "finishing" resin?) You should be a bit clearer about whether you are using epoxy or (ugh! my nose!) polyester resin. If you are using polyester resin, then you should make the last coat "finishing" resin, as it has the wax to seal out the air so that the last little bit cures. "Finishing" resin is not great for the earlier coats as you will have to clean off the wax. Ordinary epoxy ought to be ok, if that's what you were using. You should wash off the slimy amine blush between coats and before sanding . A wet sponge (plain h20) is ok for this. If you put the next coat on in a day or so, you may not have to sand to get a good bond for it. I have noticed that epoxy sands much better after a few days than it does right away. You can scrape right away though. Put it away for a few days ( in a warm place to speed the cure [100 degrees F would be nice, and don't go much higher, but lower temp and more time are ok]).. snip > 3. If this last layer of resin doesn't work I want to try spraying on > "something". > Can I spray on lacquer over resin? > Can I spray on paint? Is Krylon too soft for this purpose (it's > something that's already on the > shelf.) > I expect that if it isn't cured that you will just make things worse by covering it over. There is some kind of interaction with epoxy and polyester. One prevents the other from going off. I think it's polyester won't cure over epoxy, but I'm not sure. -- Lincoln Ross RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
