SPACKLING COMPOUND Russian patent published in 2002 - IPC

FIELD: building materials. SUBSTANCE: invention relates to composites of spackling compounds used for finishing concrete and plastering surfaces. The spackling compound comprises cement, clay, water, bone glue and calcium hydrosilicates synthesized in the model system CaO + SiO₂ + water in the presence of the modifying agent FeCl₃ in concentration 500 mg/l at temperature from 20 to 75 C in the following content of components, wt.-%: cement, 38-45; clay, 26.5-32.5; water, 23-29; bone glue, 2.65-2.95; calcium hydrosilicates, 0.19-0.22. EFFECT: improved adhesion to surface to be finished. 2 tbl