FYI; There is someone on Audiogon that advertises and sells Kontak in the USA.
http://www.audiogon.com/cgi-bin/cls.pl?accstwek&1282486330&/Kontak-Connector-cleaner-free-
http://www.audiogon.com/cgi-bin/cls.pl?accstwek&1282486330&/Kontak-Connector-cleaner-free-