PUTTY Russian patent published in 1994 - IPC

FIELD: levelling of concrete, plaster and wood surfaces. SUBSTANCE: putty comprises 48.0-51.0 g gypsum; 5.0-8.2 g chalk; 0.6-0.8 g common soap; 38.0-41.0 water; washing production phosphate; 3 g/l white spirit; and water, the balance. Water and common soap are mixed and washing production waste is added and stirred to form a homogeneous emulsion. A mixture of gypsum and chalk is added. The mixture is stirred and triturated on a paint grinder. The characteristics of the putty; the viability 150 min; the water resistance 80 min; the elasticity 20 mm; the adhesion strength 0.5 MPa. EFFECT: improved properties of the putty. 2 tbl