PHOSPHATE MATERIAL Russian patent published in 2007 - IPC C04B28/34 C04B111/76 

FIELD: manufacture of building materials; finishing and restoration work.

SUBSTANCE: proposed phosphate material contains finely-dispersed aluminum hydroxide at screening residue on sieve No. 008 of 5-7%; ferrous oxide (II), orthophosphoric acid at density of 1.29-1.30 g/cm³ and barium sulfate at the following ratio of components, mass-%: finely-dispersed aluminum hydroxide, 53-56; ferrous oxide (II), 11-12; barium sulfate, 13-15; the remainder being orthophosphoric acid at density of 1.29-1.30 g/cm³.

EFFECT: enhanced cold resistance.

1 tbl, 1 ex