Gunning composition

Details Gunning composition Gunning composition

1991-08-19

1992-09-15

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501 89, 501 90, 501100, 501128, 501133, 501144, 501154, 106 389, 106 3827, 106 3828, C04B 3552

Patent

active

051478340

ABSTRACT:
An improved gunning composition for use in the steel industry includes between 60-75% by weight of a refractory base material, 10-20% by weight of silicon carbide, 7-15% by weight of ball clay, 4-8% by weight of a silica binder material, and, optionally, 5-10% by weight of a graphite material. The silica binder replaces binders composed of petroleum pitch or clay. The silica binder causes the composition to have (1) better adhesion, (2) less cracking, (3) improved strength, and (4) increased resistance to oxidation, corrosion and erosion.

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