PYROTECHNIC SPARK COMPOSITION FOR FLYING TOYS
rocket engines of flying pyrotechnic products. SUBSTANCE: pyrotechnic spark composition comprises black powder, spark-forming additive (aluminium, titanium, aluminium-magnesium alloy or mixtures thereof), phenol-formaldehyde resin, nitro-film. Invention allows for high tractive characteristics of en...
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Format: | Patent |
Sprache: | eng ; rus |
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Zusammenfassung: | rocket engines of flying pyrotechnic products. SUBSTANCE: pyrotechnic spark composition comprises black powder, spark-forming additive (aluminium, titanium, aluminium-magnesium alloy or mixtures thereof), phenol-formaldehyde resin, nitro-film. Invention allows for high tractive characteristics of engines, stable technological parameters and permits forming charges within wide range of gangs and also producing spark track of various colors, such as white, white pale blue, goldish-blue or white lunar. EFFECT: improved properties of the pyrotechnic spark composition. 2 cl, 2 tbl |
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