| 摘要 |
The invention relates to preventive explosives, intended for explosive rupture of rocks in bottomholes of the mine working. The preventive explosive contains trotyl or a mixture thereof with ammonium nitrate, graphite, ammonium nitrate in the mixture with sodium chloride, and as additive it contains polyphosphates of alkaline metals and/or cryolite, or mixture thereof at any ratio. The invention allows to provide the flame-arresting action on explosion products at simultaneous reducing firing ability of explosive.
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