C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/32
C04B 18/14 (2006.01) C04B 35/057 (2006.01) C04B 35/66 (2006.01)
Patent
CA 1204792
ABSTRACT A low cost stabilized lime aggregate, preferably with dicalcium silicate as a major constituent, is obtained from slags of specified composition, and finds use in refractory gun mixes. Briefly, the slags which are suitable for this application contain at least 75% total CaO + Fe2O3 + SiO2 + MgO, have a CaO:SiO2 weight ratio of at least 1.8, less that 7% total calcium carbonate (CaCO3), calcium hydroxide (Ca(OH)2), and CaO, and prefer- ably contain at least 20% CaO.
434475
National Refractories & Minerals Corporation
Osler Hoskin & Harcourt Llp
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