| 摘要 |
FIELD: industrial explosives used for extraction of minerals. ^ SUBSTANCE: proposed granulated explosive contains granulated ammonium nitrate or granulated mixture of ammonium and potassium, or ammonium and sodium, or ammonium and calcium nitrates, explosive sensitizing agent - flaked or granulated or utilized trotyl or utilized mixtures on base of trotyl or hexogen or aluminum or their mixture, surfactant - product of condensation of polyolefins with maleic anhydride and alkanolamine or its mixture with pentaerythritol ester and fatty acids C17-C25 of tall oil, industrial oil and water. Surfactant is preliminarily mixed with industrial oil. Composition may additionally contain chalk or carbamide or their mixture. Provision is made for smooth composition of components of 99.2-100% at critical diameter of 17-25 mm and separation of dust at rate of 0.4-2.1 mg/kg. ^ EFFECT: enhanced efficiency. ^ 2 cl, 1 tbl, 1 ex |
