配方类型：	EMULSIONS & DISPERSIONS
配方说明：	Limestone (Cement Rock)
配方组成：
配制方法：	Limestone of 65-70% CaCO3 as fine as 30 microns may be beneficiated by flotation with 0.5 to 1.0 lb per ton of Pamak 4, 0.2 lb per ton of fuel oil, and 0.2 lb per ton of a frother. A concentrate of about 85% CaCO3 can be obtained which is suitable for cement manufacture.

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