[TheForge] Firebrick

Fri Feb 7 14:48:01 2003

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

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