Multi-Walled Carbon Nanotubes (Multi Walled Carbon Nanotubes, MWCNT)

General Description

Multi-walled carbon nanotubes (MWCNT) are cylindrical nanostructures consisting of several concentrically arranged graphite layers. They are characterized by exceptional electrical conductivity, high mechanical strength, and chemical stability. These nanomaterials are indispensable for modern applications in electronics, energy storage, composite materials, and catalysis.

1. MWCNT – Purity 99%

Product Description

These high-purity multi-walled carbon nanotubes (MWCNT) possess an exceptional purity of 99 wt% and offer superior conductivity with minimal impurities. They are specifically developed for precise applications in electronics, optoelectronics, and research where the highest material quality is required.

Technical Information

• Chemical Formula: C
• Type: MWCNT
• Purity: 99 wt%
• Inner Diameter: 3–5 nm
• Outer Diameter: 8–15 nm
• Length: 5–15 µm
• Specific Surface Area: >250 m²/g
• Bulk Density: 0.12 g/cm³
• True Density: 2.1 g/cm³
• Electrical Resistivity: 1250 µΩ·m
• Manufacturing Process: CVD (Chemical Vapor Deposition)
• Appearance: fine black powder
• Country of Origin: China

Professional Applications

MWCNT with 99% purity are used in high-performance electronics, nanocomposites, electrodes for batteries and supercapacitors, sensors, as well as in research and development. Their extremely high purity minimizes interference factors in sensitive processes and measurements.

Properties and Advantages

• Very high electrical and thermal conductivity
• Minimal metallic impurities
• High chemical stability
• Ideal for precise and sensitive applications
• High structural homogeneity

Storage

Store dry and cool in a tightly sealed container. Avoid contact with eyes and skin. Protect from moisture and ignition sources.

2. MWCNT – Purity 95%

Product Description

Multi-walled carbon nanotubes with a purity of 95 wt% offer a balanced combination of high conductivity, mechanical stability, and economic efficiency. They are ideal for industrial applications where performance and price are balanced.

Technical Information

• Chemical Formula: C
• Type: MWCNT
• Purity: 95 wt%
• Inner Diameter: 3–5 nm
• Outer Diameter: 8–15 nm
• Length: 3–12 µm
• Specific Surface Area: >233 m²/g
• Bulk Density: 0.15 g/cm³
• True Density: 2.1 g/cm³
• Electrical Resistivity: 1412 µΩ·m
• Manufacturing Process: CVD (Chemical Vapor Deposition)
• Appearance: black powder
• Country of Origin: Fujian, China

Professional Applications

MWCNT with 95% purity are used in conductive coatings, polymer composites, catalysts, energy storage systems, and antistatic materials. They are a versatile additive in industrial processes and research.

Properties and Advantages

• High electrical and thermal conductivity
• Excellent price-performance ratio
• Mechanical strength and chemical stability
• Good dispersibility in polymer matrices
• Ideal for mass production and engineering applications

Storage

Store in a cool, dry, and well-sealed container. Avoid dust formation and keep away from ignition sources.