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Refractory Mortar: Fresh Fireclay and Ground Firebrick Worked with Water
Ure's best lute for joints that must stand the fire is a dough of fresh fireclay and ground firebrick worked with water. Break and grind old firebricks, sieve them, mix with fireclay and water to a stiff mortar, and lay firebricks in it.
The picture: our diagram, fireclay and ground brick become the mortar between firebricks.
Beginner
A day
Instructions
1
1
Grind the firebrick
Grind the firebrick
Break broken firebricks with the sledge, grind the pieces in the mortar and sieve out the coarse grit. Wear a mask and glasses.
Materials for this step:
Firebricks20 piecesTools needed:
Sledgehammer
Mortar and Pestle
Sieve
Dust Mask
Safety Glasses2
2
Mix
Mix
Mix equal parts of fresh fireclay and ground firebrick dry in the trough, then work in water until it is a stiff, smooth dough.
Materials for this step:
Refractory Clay40 kg
Water15 litersTools needed:
Mixing Trough
Hoe
Bucket3
3
Use
Use
Lay firebricks in thin beds of it and fill every joint. Keep the mortar covered and damp until used.
Tools needed:
Bucket4
4
Mortar for your kiln
Mortar for your kiln
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Materials
3- 20 piecesPlaceholder
- 40 kgPlaceholder
- 15 litersPlaceholder
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