BINDING AGENT Russian patent published in 1998 - IPC

FIELD: building materials. SUBSTANCE: binding agent has aluminium hydroxide, ortho-phosphoric acid, ferrous (II) oxide. Aluminium hydroxide is a mixture consisting of aluminium hydroxide with residue on sieve N 008 60-61%, finely divided aluminium hydroxide with residue on sieve N 008 5-7% and additional pigment - red, light cadmium of the formula CdS x CdSe at the following ratio of components, wt.-%: aluminium hydroxide with residue on sieve N 008 60-61% 54-55; finely divided aluminium hydroxide with residue on sieve N 008 5-7% 13-14; ferrous (II) oxide 6-7; indicated pigment 4.5-5.5, and ortho-phosphoric acid of density ρ= = 1.47-1.49 - the rest. The end product - the colored phosphate binding agent that can be used for finishing works. EFFECT: increased hardiness of product.