NON-EXPLOSIVE DESTROYING COMPOSITION HPC-1 Russian patent published in 2003 - IPC

FIELD: mining and construction industry to break away and crush rocks and artificial materials. SUBSTANCE: technical result of invention consists in raised efficiency, strength and frost resistance of composition at low positive and negative temperatures from +5 to - 15 C due to acceleration of process of equation. Proposed non- explosive destroying composition containing calcium oxide from roasted limestone and gypsum is added with calcium nitrite, aluminum sulfate and propyl, isopropyl alcohol with following proportion of components, per cent by mass: calcium nitrite 3.0-8.2; aluminum sulfate 0.5-4.05; propyl, isopropyl alcohol 0.9-10.0; calcium oxide from roasted limestone and gypsum being the balance. EFFECT: raised efficiency, strength and frost resistance. 1 dwg, 1 tbl