leon Heller wrote:
driving distance, and it cost less to drive down there than pay the UPS
hazchem charges) so they should be pretty close to new. If not, I can always
get the boards and developer direct from Mega...
CPD5 is (according to the MSDS) an 11% solution of sodium metasilicate, and
from what I've read is considerably less hazardous than NaOH.
Thanks,
--
Phil.
ygroups@...
http://www.philpem.me.uk/
> Buy the boards from Farnell or Rapid; the resist goes off after six monthsI got the Microtrak and the CPD5 developer from Farnell (they're within
> or so, I've found, and they could be old stock. I use sodium hydroxide for
> development - 12 g/litre.
driving distance, and it cost less to drive down there than pay the UPS
hazchem charges) so they should be pretty close to new. If not, I can always
get the boards and developer direct from Mega...
CPD5 is (according to the MSDS) an 11% solution of sodium metasilicate, and
from what I've read is considerably less hazardous than NaOH.
Thanks,
--
Phil.
ygroups@...
http://www.philpem.me.uk/