| 摘要 |
A slurry explosive containing, as the main ingredients, (1) 40 to 80 percent by weight of ammonium nitrate or a mixture of ammonium nitrate and an alkali metal nitrate or a mixture of ammonium nitrate and an alkaline earth metal nitrate or a mixture of ammonium nitrate, an alkali metal nitrate and an alkaline earth metal nitrate, (2) 5 to 20 percent by weight of aluminum powder consisting of aluminum powder (a) which is manufactured by the ball milling method or the stamping method, and the particle size of which is 30 mesh (JIS sieve) or below; and aluminum powder (b) having no leafing property which is manufactured by the atomizing method or the graining method, the particle size of which is 30 mesh (JIS sieve) or below, the mixing ratio by weight of aluminum powder (a) and aluminum powder (b) being 50 to 20: 50 to 80, and (3) 5 to 25 percent by weight of water.
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