Ramming compositions

Details Ramming compositions Ramming compositions

1989-11-20

1991-11-12

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 90, 501100, 501128, 106 3828, C04B 3552

Patent

active

050647873

ABSTRACT:
An improved ramming composition for use in the iron and steel industry includes between 65-80% by weight mullite, 5-15% by weight silicon carbide, 2-5% by weight graphite, 2-6% by weight ball clay, and 5-10% by weight of a binder formed from a dispersion of 15-70% by weight silica in water. The silica binder replaces binders composed of petroleum pitch, clay, or other organic materials. The silica binder causes the ramming composition to have a longer use life, increased strength, and reduced tendency to crack, oxidize or smoke.

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"Hawley's Condensed Chemical Dictionary" Eleventh Ed. Pub-Van Nostrand Reinhold Co.-N.Y. p. 433.
Stewart's Scientific Dictionary, Fourth Edition, by Jeffrey R. Stewart, pp. 225-226 and Ceramic Industry, Jan. 1990, p. 54.

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