Folks -
I've got several OXO's suffering from disintegrating insulation between the can and core. The insulation in these OXO's is the greenish grayish foamy stuff. It turns to dust over time. The two units I opened most recently also had mechanical damage (broken crystal, broken solder connection). I hypothesize this is a result of the disintegrating foam allowing the core to bang around inside the can. The OAC 10MHz OXO from my 3856C actually rattled. I've since fixed the broken solder connection and gotten the oven and oscillator to work. Now I need to repack the core into its can. What kind of material is this greenish-grayish foam? Is it easy to get? Easy to work with? If not, is there another material that works well and is easy to source? It seems like HP used a Styrofoam of sorts on the 10811. -ch _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts