Best method of cleaning thin layer of degraded plastic?

[Bill (Smithville NJ)]

(03-10-2021 10:34 PM)Jonathan Busby Wrote:  I have a number of old electronic devices whose enclosures are made of plastic and said plastic has degraded over time leaving a discolored sticky residue in the upper < 1mm of the plastic.
Jonathan

Jonathan,

I'm wondering if what you are seeing is what was on a lot of radios, especially some of the Grundig models. There's been a lot of discussion on the SWLing.com site on how to go about cleaning it:

Cleaning Grundig Radio

Maybe one of their suggestions will work for you.

73
Bill WD9EQD
Smithville, NJ