Table 2.

Components variation in MgO–binder (RS—river sand; SF—silica fume; A—alkaline admixture).

Binder Sample	Components Variation in Binder (%)
	MgO–C	MgO–L	RS	SF	A
B0	33.3		33.3		33.3
B1	50		50
B2	33.3			33.3	33.3
B3	50			50
B4		33.3	33.3		33.3
B5		50	50
B6		33.3		33.3	33.3
B7		50		50