Combined Effects of Graphite Tailings and Curing Conditions on the Early-Age Performances of Cement Mortar

Table 3

Mineral content of cement and graphite tailings (%).

Cement	C3S	C2S	C4AF	C3A	Gypsum	Semiwater gypsum	Impurities
	65.70	18.10	8.50	4.70	2.10	0.20	0.07
Graphite tailings	Hematite	Clay	Plagioclase	Quartz	Black mica	Impurities	LOI
	1.1	7.4	41.4	38.3	8.6	3.2	4.15