C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/66
C04B 35/10 (2006.01) C04B 14/30 (2006.01) C04B 28/06 (2006.01) C04B 35/63 (2006.01) C04B 35/66 (2006.01)
Patent
CA 2000193
A low cement castable refractory comprising 80-96% by weight of a calcined fine bauxite aggregate characterised by a particle size of less than 6 µm, 0-10% by weight of a suitable cement or chemical bonding material and 0-8% of weight of a thixotropic agent, and 0-2% by weight of suitable deflocculants and plasticizers, the cement material comprising calcium aluminate cement having an alumina content of 40-85% and the chemical bonding and thixotropic agents being selected from those containing microfine silica, reactive alumina or aluminium phosphates, the inorganic deflocculants and plasticizers being selected from alkali phosphates, lignosulphonates and napthalene sulphonates. A low cement refractory and a method of making a low cement refractory and a low cement castable refractory are also described.
Chiron Paul Joseph
Edwards Leslie Charles
Shaw Raymond Walter
Chiron Paul Joseph
Comalco Aluminium Limited
Edwards Leslie Charles
Kirby Eades Gale Baker
Shaw Raymond Walter
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