What is mixed into the clay to make porous firebricks?
Sawdust. When it burns off, it leaves holes in the firebricks for air insulation.
Paragon Industries, L.P.,
2011 South Town East Blvd.
Mesquite, Texas 75149-1122
Copyright © 2018,Paragon Industries, L.P.
“Custom and standard Kilns and Industrial Furnaces for ceramics, pottery, heat treating, enameling,dentistry, laboratory, and glass fusing.Better Designed Kilns from Paragon Industries!"