RAW MIX Russian patent published in 2012 - IPC C04B28/00 C04B28/14 C04B111/20 

FIELD: construction.

SUBSTANCE: raw mix for items imitating cast iron ones, including cast iron chips and clay, contains the specified cast iron chips and burned clay, ground down to specific surface of 2000-4000 cm²/g, and additionally graphite ground down to the specified specific surface, gypsum and water at the following ratio of components, wt %: cast iron chips 26.0-35.0; burned clay, ground 5.0-10.0; graphite 5.0-10.0; gypsum 23.0-27.0; water 27.0-32.0.

EFFECT: production of high-strength items, appearance of which imitates cast iron ones.

1 tbl