I like to use the Graphit 33. It has fixed my whole Plus4 keyboard. I have also purchased an A1200 keyboard foil which had the caps lock key pad slightly offset and I have used the Graphite to enlarge those pads. It works perfectly. You can spray the paint to a cap and use a brush to paint the pads with it. Istvan On 2018.10.11. 19:10, 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. > > > That reminds me... I still have an A1200 keyboard that needs some > refreshing on a few keys. > > Gerrit >Received on 2018-10-11 22:00:07
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