[TheForge] Firebrick
Bruce Freeman
[email protected]
Mon Feb 10 10:00:02 2003
Other than that it contained calcium, I don't know. So, I'd presume =
limestone.
Bruce
NJ
>>> [email protected] 02/07/03 02:45PM >>>
what flux? salt, borax, sand?
Bruce Freeman <[email protected]> wrote:It seems to me that insulating =
firebrick is diatomaceous earth + enough flux to bind it together when it =
is fired. Anyone know more about this? I was wondering if we might have a =
short-cut (or cheap-cut) here.
Bruce
NJ
>>> [email protected] 02/05/03 07:09PM >>>
If you want insulating firebrick, the construction grade won't do. You
want the lighter ones that weigh 3 1/2 pounds, or less. Try a ceramic
supply house. They are used for building ceramic kilns.
Ken Zastrow
the copper heron forge