Ramming composition

Details Ramming composition Ramming composition

C - Chemistry, Metallurgy

04

B

6/226, 261/6

C04B 35/10 (2006.01) C04B 35/18 (2006.01) C04B 35/63 (2006.01) C04B 35/66 (2006.01) F27D 1/10 (2006.01)

Patent

CA 2029826

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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