5 micron grit -- UK suppliers(was: ATM 500 grit done, what next ??)

[Stephen Tonkin <astro@aegis1.demon.co.uk>]

Dave McCarter <mccarterd@claven.fanshawec.on.ca> wrote:
>Most amateur mirror makers do not fine grind nearly enough, shown by the
>very many discouraging hours required to polish out the grayness at the
>mirror edge.
>I would rather do ten wets of 5 micron AlO and save ten hours of polishing.

So would I, but my grit supplier only goes down to 9.5 micron.  Does
anyone know of a (preferably reliable) UK source of small quantities of
5 micron? (I know where to get 10kg tubs of the stuff...)

-- 
Stephen Tonkin            :    UK Amateur Telescope Making Pages
<sft@aegis1.demon.co.uk>  : <http://www.aegis1.demon.co.uk/atm.htm>