配方类型：	METALS AND THEIR TREATMENT
配方说明：	Lighter Flint Alloy (Pyrophoric)
配方组成：
配制方法：	Mischmetal with 12 to 17% zinc is extruded at 380 to 400C. at 4100 to 4800 kg. per sq.in. The pyrophoric properties are improved by the addition of 2 to 4% cadmium and 1.5% copper. The alloy is chill cast at 100 to 500C.

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