CLAY-PHOSPHATE MATERIAL Russian patent published in 2004 - IPC

FIELD: building materials.

SUBSTANCE: invention can be used in making building blocks. Clay-phosphate material comprising clay, iron-containing waste in metallurgical manufacturing based on ferrous oxide Fe (II) with residue 5-7% on sieve № 008, ortho-phosphoric acid with density 1.24-1.25 g/cm³, Cambrian sky-blue clay and, additionally, open-hearth dust containing Fe (III) and Zn (II) oxides with residue 2-5% on sieve № 008 in the following ratio of components, wt.-%: Cambrian sky-blue clay, 56-57; indicated waste, 9-11; indicated open-hearth dust, 15-16; ortho-phosphoric acid with density 1.24-1.25 g/cm³, the balance. Invention provides enhancing resistance to cold of phosphate material.

EFFECT: valuable properties of material.

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