Re: Grundig TK24 mystery substance
At minimal cost I got a strip of 2" x 1" sticky 'a' warning labels as a nod towards future dismantlers. If there is a smooth cool surface inside suspect equipment they should stay stuck for a reasonable time. Where aesthetics are not a consideration i have stuck them on the outside (my fuse box and battery charger)
Lab testing is not economic as regards hobbyists so if in doubt- we should assume that the material under scrutiny DOES contain fibre.
Dave
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