Influence of Ultrafine Natural Steatite Powder on Setting Time and Strength Development of Cement

Table 1

Physical and chemical properties of cement and UFNSP.

	Cement	UFNSP
Physical properties
Blaine surface area (m^2/Kg)	380	750
Particle mean dia. (µm)	<32	<5
Density	3.1	2.7
Loss of ignition	2%	3.33%
Chemical properties
SiO2	23%	62.67%
Al2O3	4.20%	0.24%
MgO	0.20%	33.26%
Fe2O3	1.20%	0.30%
CaO	63%	0.20%