> >The reason I've come in is that my experience is (from just ordinary > >gluing jobs) that the 5min stuff isn't anywhere near as good as the > >"normal" [OK "regular" for you guys across the pond :-)] Epoxy. I know > >this means clamping up for maybe 24 hrs but I think you will find the bond > >a lot stronger. Markus said: > Well, I cannot stress enough that the results I'm getting are more > than satisfying. The resulting PCB's are with regard to their > useability in everyday situations absolutely ok. Epoxy has definitely improved. I gained a strong distrust of 5 minute epoxies from the 70's and 80's (dating myself) as they'd always end up exuding a greasy residue and letting go, getting sort of crumbly. Now, though, I've had great success with 5 and 15 minute epoxies. Some epoxies that I use, like Devcon's Plastic Epoxy, only come in 5 minute varieties and are -very- strong. It appears to have a plastic solvent in it, so that in addition to just epoxy glue action, it also welds itself to the plastic. I glued a polystyrene squirt gun handle onto an ABS tube for a prop blaster about 15 years ago with the stuff and it is strong as if it were cast in one piece. I got to show it to a pro propmaker from Hollywood after he said that you cannot glue anything to ABS reliably except ABS and only with ABS cement. Steve
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Re: 4 layer diy
2003-11-26 by Steve
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