CASTABLE REFRACTORY SYSTEMS

摘要

PCT No. PCT/GB96/00362 Sec. 371 Date Nov. 28, 1997 Sec. 102(e) Date Nov. 28, 1997 PCT Filed Feb. 16, 1996 PCT Pub. No. WO96/25371 PCT Pub. Date Aug. 22, 1996A composition suitable for admixture with refractory grains to make a refractory monolithic formulation, consisting essentially of: 2 to 10 parts by weight of activated alumina; 0.25 to 1.0 parts by weight of an additive material which comprises at least one of an alumino-silicate-phosphate compound; a resin derived from an aldehyde and either an amine or an aromatic hydroxy compound; cellulose; polyethylene glycol(s); and methoxy polyethylene glycols; 0 to 50 parts by weight of fine alumina; 0 to 10 parts by weight of fine silica; 0 to 1 parts by weight of a dispersant; and 0 to 1 part by weight calcium aluminate cement.