Eric Shoemaker wrote in 030216 MMDigest:

> On another subject:  sticky action parts -- I have found the chemical
> "Perc" to be the perfect (pardon the pun) "solution" to this problem.

Sounds toxic. The best CLP to use is available from Joe Goss
<imatunr@srvinet.com>  http://www.mothergoosetools.com/

The product is Goose Juice.  I order the enhanced version: GJ+.
In my experience, it works better than Protek or any other CLP
designed for piano actions.

Jon Page,   piano technician
Harwich Port, Cape Cod, Mass.