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What's a good high temp cement?

R

Randy3000

Joined
Jun 3, 2017
Messages
811
I got a bunch of broken K23 bricks that I have been saving for a day I have time to make something with, and that day is approaching. I want to shape the pieces and cement them together and make a forge to give to my brother-in-law. What's a good 3000F cement to use? I tried some fireplace 2400F some time ago and it made a mess, and the seams cracked and ruined a bunch of bricks. In fact, some of my broken bricks are from this experiment gone awry, and I had to clean them up on a disk sander to get rid of the black flaky crude. I don't want a repeat.
 
Also, how thick of a layer do you apply with the cement? Did you wet the bricks before applying? What was curing procedure? Anything else useful to know?
 
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