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“达纳马特”等工业炸药,长期以来在其生产、运输、贮存或者使用过程中,曾多次发生过因爆炸而引起的重大事故。新型安全炸药U.S.M.(硝酸铵、硅胶和铝粉的浆状混合物)的出现,解决了以上问题,其特点如下: ①爆炸力与“达纳马特”或者高氯酸铵炸药大体相同。②标准的爆速为4000～4500米／秒，也可以改变其配方，使之达到4500～5500米／秒，如添加某种物料，还可以达到7000～8000米／秒。③未装雷管和起爆药之前，即使遇到冲击、电火花或者放置在火灾现场，也不会引起爆炸，故加工、贮运、使用各方面都极为安全。④不需要建高价的专用火药库，能节省投资。⑤耐水性能好，在海水中也能使用。③现场配料简易，使用方便。⑦爆炸产生的气体中不含CO等有害气体。 根据以上经济和安全方面的优点，有人把U.S.M.的出现，视为工业炸药的革命。菲律宾有一家公司已同日本签订了合同，将在1972年8月前建成月产500吨U.S.M.的炸药厂。
Industrial explosives such as “Dana Matt” have for many years been causing major accidents due to explosions on numerous occasions during their production, transportation, storage or use. The emergence of the new safety explosives U.S.M. (a slurry mixture of ammonium nitrate, silica gel and aluminum powder) has solved the above problems and has the following features: ① Explosive force is roughly the same as that of “Danamarit” or ammonium perchlorate. ② standard detonation rate of 4000 ~ 4500 m / s, you can also change the formula, so that it reaches 4500 ~ 5500 m / s, such as adding a material, you can reach 7000 ~ 8000 m / s. ③ Without detonators and detonators, even in the event of an impact, sparks or placed in a fire scene, it will not cause an explosion, so processing, storage and transportation, use all aspects of extremely safe. ④ do not need to build high-priced dedicated gunpowder, can save investment. ⑤ good water resistance, can also be used in sea water. ③ site ingredients simple, easy to use. ⑦ gas generated by the explosion does not contain CO and other harmful gases. Based on the above economic and security advantages, the emergence of U.S.M. was considered a revolution in industrial explosives. A Philippine company has signed a contract with Japan to build a explosives plant capable of producing 500 tonnes U.S.M. by August 1972.