"David WE Roberts" wrote in message
...
O.K. it shouldn't be there.

Google hasn't given me much help.

I am trying the soaking in a biological washing liquid, but this doesn't
seem to be shifting it very much.

Has anyone a good method of cleaning accumulated carbon off non-stick
frying pans to restore the non-stickability or at least reduce the
stickability?

angle grinder?