A basic recipe for making refractory fire bricks for use in a forge or foundry or whatever else you can think of. A combination of 1 part cement, 3 parts sand, 4 parts perlite, and a sodium silicate solution.
0:00 Intro
0:14 Brick Form
0:33 Sodium Silicate
2:03 Mixing Ingredients
3:34 Releasing Bricks
3:50 Building Forge
4:26 Post Use Review
5:03 Outro