TCI C2156 is a multi-walled carbon nanotube material with a diameter of 40–60 nm and a length of 5–15 micrometres. The material consists of several concentric graphene wall layers arranged to form hollow tubes at the nanoscale, with a tube length that considerably exceeds that of short-tube variants. In the laboratory, nanotubes of this type serve as mechanical reinforcement in composites, as electrically and thermally conductive networks inside insulating matrices, and as a base material for preparing conductive thin films and for studying transport properties at the nanoscale.
The advantage of this variant lies in its tube length of 5–15 micrometres, which delivers a very high aspect ratio. Long tubes come into contact with one another more readily and form percolation networks, so electrical conduction can be achieved at a lower filler loading than with short tubes. The 40–60 nm diameter provides adequate tube stiffness, so that mechanical load transfer from the matrix into the nanotube proceeds effectively, while also making the powder easier to handle than very fine tubes. The multi-walled structure additionally confers resistance to structural damage during mixing, extraction, and dispersion processing.
In Indonesian laboratories, this grade is typically used in materials science and polymer research groups working on conductive composites, nanocomposite coatings, and electrode material development. It is commonly weighed out in small quantities and dispersed into a resin, solvent, or polymer melt before further processing. University research laboratories, polytechnic materials laboratories, and industrial R&D units use it for formulation trials, characterisation work, and student research projects where reproducible nanotube geometry is required across repeated experimental runs.
- Conductive polymer composites — the very high aspect ratio from 5–15 micrometre tubes allows a percolating conductive network to form at low filler loading.
- Mechanical reinforcement of composites — the 40–60 nm diameter gives sufficient tube stiffness for effective load transfer from the surrounding matrix into the nanotube.
- Conductive thin film preparation — long multi-walled tubes readily overlap into continuous networks, making them suitable base material for depositing electrically conductive coatings.
- Thermal management studies — the nanotube network distributed through an insulating matrix provides conductive pathways for heat, supporting thermal transport investigations in composite systems.
- Nanoscale transport property research — the concentric multi-wall structure and defined tube geometry make this grade a practical model material for fundamental electrical transport measurements.
| Brand | TCI |
|---|---|
| CAS number | 308068-56-6 |
| Molecular formula | — |
| Purity | — |
| Category | Materials Science > Nanocarbon Materials > Carbon Nanotubes (CNTs) and CNT Dispersants |
| Pack sizes | please refer to the current TCI catalogue listing for this item |
| Physical form | fine solid powder |
| Storage | store in a tightly closed container at room temperature, away from moisture |
- Product code: C2156
- Dimensions: diameter 40–60 nm, length 5–15 micrometres
Store the container tightly closed in a dry, well-ventilated area at room temperature and protect it from moisture, which can cause the powder to agglomerate and complicate later dispersion. Keep the material in its original container or in a clean, sealed glass or plastic vessel that will not build up static charge. Because the powder is extremely fine and easily becomes airborne, weigh and transfer it inside a fume hood or a suitable enclosure, and wear gloves, safety glasses, a laboratory coat, and appropriate respiratory protection. Clean spills with damp wiping rather than dry sweeping to avoid raising dust, and dispose of residues according to institutional nanomaterial waste procedures.
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