Table 3 Properties of multiwalled carbon nanotubes (MWCNTs).
From: Effects of carbon nanotubes on expanded glass and silica aerogel based lightweight concrete
Material type | Appearance | Purity | Inner diameter | Outer diameter | Length | Specific surface area | Density | Actual density | Resistivity | Preparation method |
|---|---|---|---|---|---|---|---|---|---|---|
MWCNT | Black powder | > 95 wt% | 3–5 nm | 8–15 nm | 3–12 μm | > 233 m2/g | 0.15 g/cm3 | 2.1 g/cm3 | 1412 μΩm | CVD |
