COMPOSITION FOR ANTICORROSION AND HEAT RESISTANT COATING Russian patent published in 1998 - IPC

FIELD: protection against corrosion articles of cast iron and low alloy steel which operate at elevated temperature. SUBSTANCE: composition comprises ethyl silicate binder and organic solvent. Said binder comprises, mas. %: 17-21 % SiO₂, 4-6; polymethyl usage resin, 18-22; black pigment having formula Fe•0,8CuO•0,7MnO, 25-30; talc, 4-6; mica, 6-9; and quartz, 6-9. Composition may additionally comprise aerosil, its quantity being not more 2 mass %. Protective coating have impact strength up to 50 usage cm and adhesion being 1-2 points. EFFECT: improved quality of desired coating. 3 cl, 2 tbl