[Retracted] Experimental Testing on Mechanical, Durability, and Adsorption Dispersion Properties of Concrete with Multiwalled Carbon Nanotubes and Silica Fumes

Table 1

Physical features of SF.

Property	Value
Specific gravity	2.22
Bulk density	480–720 kg/m^3
Surface area	13,000–30,000 m^2/kg
Particle size	<1 μm
Fineness modulus	20,000 m^2/kg
Bulk modulus	240 kg/m^3
Colour	Dark grey