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单词 quick match
释义

Quick match


threads of cotton or cotton wick soaked in a solution of gunpowder mixed with gum arabic and boiling water and afterwards strewed over with mealed powder. It burns at the rate of one yard in thirteen seconds, and is used as priming for heavy mortars, fireworks, etc.
See under Match.

See also: Match, Quick


Quick Match


Quick Match

 

a fast-burning safety fuse for lighting and carrying fire from one part to another in pyrotechnical substances, ammunition, and fireworks. Black quick match is composed of a cord of cotton fibers impregnated with potassium nitrate and dusted on the surface with a paste of black powder. White quick match, which is rarer, is composed of fibers impregnated with potassium nitrate with adhesive additives, such as gum arabic and phenol-formaldehyde resin. The burn time for 1 m of quick match in the open air is 15–20 sec for the black variety and 45–50 sec for the white variety.

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更新时间:2025/1/31 14:48:25