PYROTECHNIC CORD AND COMPOSITION FOR ITS MAKING Russian patent published in 1995 - IPC

FIELD: explosive substances. SUBSTANCE: cord has pyrotechnic charge made of pyrotechnic composition with combustion rate above 10 mm/s with central channel and axial section for burning arch thickness, at the ratio of axial charge thickness to the difference of external cord diameter and central channel diameter value 0.0182-0.1882. Composition has, wt.-%: plasticizer 48.00-60.03; combustion modifying agent 4-20; fluoroplastic 1.5-2.5; industrial oil 0.5-0.8; centralite 0.25-0.60, and nitrocellulose - the rest. Composition can has additionally 0.10-0.15% organic pigment. Components were mixed in water and rolled and pressed with cord making after water separation. EFFECT: improved method of pyrotechnic composition preparing. 10 cl, 1 dwg, 4 tbl