Ed Ellis, president, says, "The Fire Brick
veins averages 0.0875 opt [ounces per tonne] gold, 21 ppm [parts per million] silver, and 3 pounds copper per tonne.
Since the temperature between the backup brick and the insulating fire brick
(1,990F/1,087C) is below the melting point of iron, this lining would have historically been considered a good design.
This brochure offers detailed technical data on Chicago Fire Brick
's complete line of extra-high-alumina, high-alumina, high-duty and super-duty fireclay brick.
Awmco Inc, Chicago, IL Gene Conreaux & Co, Indianapolis, IN Cummings-Moore Graphite Co, Detroit, MI Eastern Crucible-Refractories, Wallingford, CT Fenton Foundry Supply Co, Dayton, OH Ferro Corp, 661 Willet Rd, Buffalo, NY 14218 (716)825-7900 Fiber Ceramics Inc, Cudahy, WI Fire Brick
Engineers Co Inc, Milwaukee, WI Hanson Inc, Toronto, Ont Hoffman Foundry Supply Co, Cleveland, OH Holland Mfg Co, 515 E 158th St - P O Box 261, South Holland, IL 60473 (708)331-4684 Milchap Products, Milwaukee, WI Moninger Fdy Supplies Inc, river Grove, IL New York Sand & Facing Co, Brooklyn, NY Refractory Products Co, Elgin, IL Rose Metal Industries, Cleveland, OH Frank W Schaefer Inc, P O Box 1508, Dayton, OH 45401 (513)253-3342