PUTTY Russian patent published in 1996 - IPC

FIELD: production of building materials. SUBSTANCE: as carbonate-containing factory waste, putty uses mosaic plate factory waste of the following composition, - mass percent: CaCO₃ - 44 to 49; SiO₂ - 36 to 38; hydrated cement - 15 to 18; and as softening agent - citric acid factory waste based on organic protein with a density of 1.18 to 1.21 g/qu.cm, pH=5.5 to 6.5 at the following relation of components, mass percent: bone glue - 6.03 to 6.43; drying oil - 7.63 to 7.76; the above carbonate-containing factory waste -49.31 to 51.21; the above softening agent - 0.49 to 0.52; water - the rest. Working life - 47 to 48 h, adhesive strength - 20 to 21 Pa 10⁵. EFFECT: enhanced quality. 1 tbl