On Thu, 11 Oct 2018, Gerrit Heitsch wrote: > On 10/11/2018 06:29 PM, silverdr@wfmh.org.pl wrote: >> I vaguely recall a discussion about repairing/renovating the conductive >> rubber keyboard elements and the conclusion that there are special >> chemicals/formulations, which are able to restore the original >> conductivity. But what would those be? There is this thing: >> >> https://www.chemtronics.com/content/msds/Cw2605tds.pdf >> >> But the price tag seems to be out of touch with reality. Anything tested to >> work well with PET/VIC/C64 keyboards that doesn't cost both arm and leg? > > There are people who suggest a pencil, grade 9B, meaning the softest one. > > You could also try 'Graphit 33' from Kontakt Chemie. > > But first, I'd try to clean the contacts and see if that helps. > There was a recent restoration video on YouTube the other day where the the restorer used 1500 grit sandpaper to lightly sand the contacts on the domes. He got 100% success out of it. g. -- Proud owner of F-15C 80-0007 http://www.f15sim.com - The only one of its kind. http://www.diy-cockpits.org/coll - Go Collimated or Go Home. Some people collect things for a hobby. Geeks collect hobbies. ScarletDME - The red hot Data Management Environment A Multi-Value database for the masses, not the classes. http://scarlet.deltasoft.com - Get it _today_!Received on 2018-10-11 20:00:38
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