Demolition agent for brittle materials
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United States of America Patent
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Jan 5, 1988
Grant Date -
N/A
app pub date -
Aug 12, 1983
filing date -
Aug 18, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A demolition agent for brittle materials in the form of a powder mixture comprising 100 parts by weight of quicklime, 0.05 to 5 parts by weight of a carbonate and either or both of 0.01 to 5 parts by weight of a hydroxy-carboxylic acid or its salt and 0.1 to 5 parts by weight of a fluidization agent. This demolition agent is used by admixing with water to obtain an aqueous slurry, pouring the slurry into a hole drilled in a brittle material and allowing it to stand to demolish the brittle material by means of expansive pressure from the slurry.
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