NON-STICK THERMOSTABLE PAINT FOR SAND AND METAL MOULDS (VERSIONS) Russian patent published in 2013 - IPC B22C3/00 

FIELD: chemistry.

SUBSTANCE: invention relates to foundry production. The non-stick thermostable paint contains filler, bentonite and water. The filler is zircon powder and chromite powder, with the following content of components, wt %: zircon powder 25-35, chromite powder 40-50, bentonite 2.5-4.5, water - the balance. In another version of the paint, the filler is powdered disthene-sillimanite and olivine, with the following content thereof, wt %: disthene-sillimanite 35-45, olivine 30-35. In another version of the paint, the filler is magnesite and chromite, with the following content thereof, wt %: magnesite 20-35, chromite 45-55.

EFFECT: high quality of the cast surface owing to high thermostability of the paint.

3 cl, 2 tbl, 1 ex