Yep, I remember the stuff, also sold as "Stabilant 23A" at NAPA auto parts stores for use on automotive electrical systems.
Nasty stuff, I can't tell you the number of RCA jacks that I have seen that once had Tweek on them and the chemical damaged....looking at the jacks under magnification looked like the gold plating had been "blasted" off the substrate....
One of my best friends has a Hafler preamp he built back in 1984 or so....the RCA jacks were upgraded to whatever the best was available back when he built it....they are totally shot now with pitting covering the entire outer section of the jacks....he was a religious user of Tweek until he retired the preamp a few years ago...I looked at it about a year ago after he told me he pulled it out of the closet and saw what condition the jacks were in...I have also seen this on several older used units that I know fellows used the stuff on...others have also reported the same effect...
It did work, though, for a while, but there are better substance out there now...Caig products, Kontak, for instance, and I wound never use the stuff again...I still have a vial of it here just to remind me!
So, you may be lucky and not have it damage anything, as for me, I'll never use the stuff again....
Just my opinion...