The Effects of Different Nanoadditives on the Physical and Mechanical Properties of Similar Silty Mudstone Materials

Table 2

The chemical composition of ultrahigh-strength gypsum (mass fraction) (%).

SO3	CaO	SiO2	Al2O3	Na2O
53.10	40.00	0.17	0.05	0.04
K2O	SrO	Fe2O3	MgO	Other
0.04	0.04	0.03	0.02	<1%