You'll need
several tonnes of hydrocarbons, chlorine, fluorine and some catalyst.

There are several well documented processes.
( K2k6 has a proper job these days, Thu 3 Sep 2009, 10:01, 1 reply, 16 years ago)

Can you just make me some?

( Cawl, Thu 3 Sep 2009, 10:03, Reply)

nah love,
that requires EFFORT. :P
(Poppet some assembly required., Thu 3 Sep 2009, 10:07, Reply)

I used to fanny about
with such things, but the lab I was in has been taken over by the dark side (biochemistry) and the bloke I worked with who was an expert at CFC chemistry has gone off and done his own thing. So I can't do it these days.
( K2k6 has a proper job these days, Thu 3 Sep 2009, 10:08, Reply)

Ah.
They don't make aerosols like they used to :(
( Cawl, Thu 3 Sep 2009, 10:09, Reply)

I still have a can at home
of 'proper' contact cleaner. With real nasty CFCs and everything.

I use some every so often just because I can.
( K2k6 has a proper job these days, Thu 3 Sep 2009, 10:11, Reply)