On Thu, 21 Aug 2008 22:32:59 +0100, "Spamlet"
wrote:


See what you have around. Note that swelling may take several hours, but
check at first that your sample is not going to turn into a sticky mess.

Right, so far I've soaked the rubber valve for several hours in:
lighter fluid, white spirit and panel wipe with no affect at all?

If that means anything to anyone (from their likely chemical content)
what sort of things should I try next please?

All the best ..

T i m