Static expansive demolition agent in the three- dimensional...

Details Static expansive demolition agent in the three- dimensional... Static expansive demolition agent in the three- dimensional...

C - Chemistry, Metallurgy

04

B

261/66

C04B 7/32 (2006.01) C04B 28/10 (2006.01) C04B 41/00 (2006.01)

Patent

CA 1217210

ABSTRACT OF THE DISCLOSURE A static expansive demolition agent in the three- dimensional form obtained by compression-molding a powdery composition comprising calcium oxide as the expansive component, an aluminous cement and an alkali or alkaline earth metal salt of boric acid. Said static expansive demolition agent can be placed as it is in holes in a brittle material to be demolished and when water is subsequently poured into the hole the maximum pressure of expansion can be reached in a very short period of time to demolish the brittle material.

457915

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