ANTICORROSIVE PASTE FILLER Russian patent published in 2002 - IPC

FIELD: varnish-and-paint industry. SUBSTANCE: paste filler suitable for elimination of imperfections and moisture protection of sized and non-sized metallic and nonmetallic surfaces consists, %: pigmenting filler (aluminum powder), 10-20; thickener (ultrafine zinc powder), 20-30; and balancing amount of ethyl silicate binder containing, wt.%: ethyl silicate, 11.5-12.7; polyvinylbutyral, 5.5-7.7; 73-% orthophosphoric acid, 0.15-0.45; ethyl alcohol, 72.1-76.5; and water, the balance. EFFECT: increased adhesion and strength properties and crack resistance. 3 cl, 1 tbl, 10 ex