Table 2.

Summary of the main properties of SWCNTs and MWCNTs.

Properties	Unit	SWCNTs	MWCNTs	References
Specific gravity	$\mathrm{g}/{\mathrm{m}}^3$	$0.8–1.3$	$1.8–2.6$	[46]
Resistivity	$\mathsf{\mu }\Omega /\mathrm{cm}$	$5–50$	$5–50$
Young’s modulus	$\mathrm{TPa}$	$\sim 1$	$\sim 1–0.3$	[41,42]
Thermal conductivity	$\mathrm{W}.{\mathrm{m}}^{-1}{\mathrm{K}}^{-1}$	$3000–6000$	$2000–3000$	[41,43]
Electrical conductivity	$\mathrm{S}/\mathrm{m}$	${10}^2–{10}^6$	${10}^3–{10}^5$	[43]
Thermal stability in air	°C	$550–650$	$550–650$
Specific area	${\mathrm{m}}^2/\mathrm{g}$	$400–900$	$200–400$