Hybrid Car – More Fun with Less Gas

what coating to use on DIY flat panel collector? - Page 2

register ::  Login Password  :: Lost Password?
Posted by Sylvan Butler on June 4, 2005, 6:08 pm

Interesting.  Soot is typically an insulator (eg, inside a boiler).
Normal soot deposits are somewhat fluffy.  I would have thought that
would have made it at least a bit selective.  I wonder if using it as a
pigment (eg in varnish) stops the insulating effect.

Seems easy enough, but creating an absorber in all stainless steel is
much more expensive and difficult than copper tube and sheet.  :(

Good collection.  (As I've come to expect of Redrok!)

Interesting how bad "Solec LO/MIT selective surface paint" is, compared
to something simple like copper oxide.

Any more details on treating copper with NaOH and "NaCIO2"? (isn't that
supposed to be NaClO2???)  Obviously it is fairly easy to buy lye.  And
if the other is sodium chlorite, how hard is that to acquire?  Or could
one substitute sodium hypochlorite (NaClO, aka chlorine bleach)>

Thanks for your contributes here and for Redrok,


Wanted:  Omnibook 800 & accessories, cheap, working or not
sdbuse1 on mailhost bigfoot.com

This Thread
Bookmark this thread:
  • Subject
  • Author
  • Date
please rate this thread