On Sunday, February 13, 2022 8:14:19 PM EST Chris Albertson wrote: > It is not the epoxy that is so hard. It is the filler they mix with > the epoxy. Many times it is a kind of glass, not unlike what they use > to make sand paper. Other times they mix finely ground bits of steel. > > I used to use a brand of epoxy that sold bottles of pure resin and cans > of filler. I could mix what I needed for the job. Sometimes I'd use > "micro balloon" filler these are tiny hollow balls of glass. A gallon > tub of them weights about as much as an empty tub. Mixed to a thick > paste, it cures to a foam you can and with a sure-form rasp. But if > you mix the same resin with chopped fiberglass or chopped kevlar fiber > it is as hard as stone and you'd need an angle grinder to smooth it > down. I was building small boats and canoes. > > Yes epoxy can be damaged by UV light. If doing a gunstock, put 4 or 5 > coats of exterior marine varnish over it. The marine stuff has UV > blockers (sunscreen) in it. > Thanks Chris, I guess I hasdn't learned that back in the '60's, and its sure way too late to fix it now. In spite of the dents and dings its collected in 60 years of knocking around in the deer woods, it still gets nice reviews at the range. It all stops when I tell them how much for another like it though. I have several months of evenings in it plus a hundred 1965 dollars in the custom rough cut blank. It is two different pages in the Fajen catalog of the day.
Take care and stay well, Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
