Feasibility of a Polymer Foaming Agent as a Grouting Material for Broken Coal Masses

Table 1

The chemical composition of the SC material.

Component	CaO	SiO2	Al2O3	F2O3	MgO	SO3	Alkali content	Loss on ignition
Mass percentage	54.94	26.74	8.25	3.04	2.19	2.09	0.59	1.37