Low cement refractory

摘要: A low cement castable refractory comprising 80-96 % by weight of a calcined fine bauxite aggregate characterised particle size less than 6 νm, 0-10 suitable or chemical bonding material and 0-8 thixotropic agent, 0-2 deflocculants plasticizers, the calcium aluminate having an alumina content 40-85 agents being selected from those containing microfine silica, reactive aluminium phosphates, inorganic plasticizers alkali lignosulphonates naphthalene sulphonates. method making are also described.