Determining the Surfactant Consistent with Concrete in order to Achieve the Maximum Possible Dispersion of Multiwalled Carbon Nanotubes in Keeping the Plain Concrete Properties

Table 1

Properties of MWCNTs.

Type of additive	Characteristic; (research center)	MWCNTs diameter; (nm)	MWCNTs length; (	Tensile strength (GPa)	Purity	Specific gravity	Electrical conductivity; (Ohm-cm)
CNT	MWCNT; (Research Institute of Petroleum Industry)	10–20		About 100	≥95%	About 1.5	<10^−2