From: "Alex Holden" > On Wed, 2003-04-02 at 21:02, Kyrre Aalerud wrote: > > I used a 1 part acrylic glue that dissolves the acrylic and lets it harden > > again. I hope it isn't cyanoacrylate, as you've tried that. It says > The cyanoacrylate (AKA SuperGlue) was better than the epoxy resin in > terms of strength, but it didn't have much gap filling ability. Oh, yeah. Superglue don't really cut it for such bonds... > > "methyl methacrylate" on the tube and it's called AcriFix. It makes 100% > > transparent bonds that are supposed to be just as strong as the lexan i'm > > gluing. > Are you sure it's Lexan (ie. polycarbonate) and not acrylic (PMMA/methyl > methacrylate, sold under the trade names Perspex and Plexiglas)? They > look similar but polycarbonate is tougher and more expensive than > acrylic. I don't know if an acrylic adhesive will work properly with > polycarbonate. From what I've read (on the web site of a company that > sells adhesives, so take it with a pinch of salt) the one part solvent > based adhesive gives a joint with about 10-20% of the base strength of > the acrylic, and the two part polymer adhesive gives up to 40% when set > at room temperature over about 3 days and up to 60% when set in an oven > at 60C for 3 hours. I think the two part adhesive is basically a liquid > form of the acrylic itself which you mix with a small amount of a > chemical which causes it to knit into the surface of the joint and then > harden. It's called Tensol 70. Hmm, I hope it's plexi and not lexan as it would bond better, but this stuff is very though. Is there a way to tell them apart except for who can withstand the most beating? KreAture -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads