CLAY-PHOSPHATE MATERIAL Russian patent published in 2008 - IPC C04B28/34 C04B111/27 

FIELD: construction.

SUBSTANCE: clay-phosphate material contains sandy clay, ferriferous wastage from metal production with sieve residue №008 containing Fe(II) oxide 7-11 wt %, orthophosphoric acid with specific density of 1.24-1.25 g/cm³, wastage from rubber-processing industry in the form of rubber crumb with fraction sizes of 0.06-2.00 mm, with following mixture ratio, wt %: sandy clay - 65-70, specified ferriferous wastage - 4-8, specified rubber-processing wastage - 5-7, orthophosphoric acid with specific density of 1.24-1.25 g/cm³ - the rest.

EFFECT: lowering of clay-phosphate material heat conductance with water resistance retention.

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