: A middle ground, often used for specialized optics or sensitive conductive layers. 2. Choose Your Purity & Grade

The market is dominated by large-scale producers that have moved past lab-scale synthesis: A History of Carbon Nanotubes - AZoNano

The "why" of your purchase depends on which structural story fits your application:

Purity is the primary price driver. High-purity grades (98%+) are extremely expensive and reserved for applications where every defect could disrupt electronic pathways.

: Multi-walled nanotubes are available in bulk (ton quantities) for industrial integration. 3. Select a Trusted Manufacturer