In view of my historic , and generally lost battles with PTFE tape, I am
now
contemplating the use of LS-X compound with my new radiator valves, and I
would value comment on this please.



Loctite 572 for coarse threads and Locitite 542 for finer threads (below 3/4
BSP).

I use them for water, gas, oil, compressed air and hydraulic fluids and
haven't had a failure yet (silly thing to say !!!)

Andrew