[Retracted] Experimental Analysis of Mechanical Properties and Durability of Cement-Based Composite with Carbon Nanotube

Table 3

Physical parameters of P-O42.5 cement.

Parameter		Parameter value
Specific surface area (m^2·kg^−1)		330
Loss on ignition (%)		3.65
Setting time (min)	Initial coagulation	197
	Final coagulation	263
Flexural strength (MPa)	3D	6.2
	28d	8.5
Compressive strength (MPa)	3D	29.8
	28d	52.5