Yes you're right David that's the stuff they wrap round a CRT or TR for screening isn't it?
I used to know the name of the crumbly stuff it's been mentioned here in the past. "Monkey Metal" is the derisive term perhaps? It looks similar to the product you can buy for metal repairs, that mixes into a mouldable grey paste and sets very hard. Now what's that called
Who are you and what are you doing in my house?
Dave W
Ah that's it Steve-what a relief! I'd mixed up Mu with Monkey-so near but so far away!