Description
A30 Series Multi-Walled Carbon NanotubesRESEARCH GRADE MATERIAL
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TAILORED SOLUTIONS FOR RESEARCH
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EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This material requires storage in a dry environment to maintain its specified moisture content below 3500 ppm. Contamination by metal impurities must be avoided to preserve the high purity for optimal performance in high-conductivity applications.
- Moisture Sensitivity: Store in a sealed container under low humidity to prevent moisture absorption that could alter material properties.
- Metal Impurity Control: Use clean tools and containers during handling to avoid introducing metal particles that could exceed the specified impurity limits.
How does the 10-30 nm diameter distribution of A30 MWCNTs affect electrical percolation versus dispersibility in polymer nanocomposites?
The 10-30 nm outer diameter provides an aspect ratio up to 1000 (length ≤10 μm), which is favorable for forming percolation networks at low loadings. However, the broader diameter distribution may reduce dispersibility compared to narrower distributions, as larger diameter tubes are more prone to entanglement. The specific surface area of 130-180 m²/g indicates moderate surface energy that can be managed with appropriate surfactants.
Can A30 multi-walled carbon nanotubes be used directly in lithium-ion battery cathodes without causing electrochemical degradation from metal impurities?
The A30 series has controlled metal impurities: Fe <200 ppm, Co <500 ppm, Ni <50 ppm. For lithium-ion battery cathodes, Co content above 100 ppm can catalyze electrolyte decomposition, making the 500 ppm limit a potential concern for high-voltage cathodes. The high purity (≥99.5%) mitigates risks for most research applications, but additional purification may be needed for electrochemical cycling studies requiring ultra-low transition metal content.
What are the recommended storage conditions to prevent moisture uptake and maintain dispersibility of A30 MWCNTs?
The as-received moisture content is <3500 ppm, indicating hygroscopic behavior. Store in airtight containers under an inert atmosphere (argon or nitrogen) at ambient temperature (<25°C) to prevent further moisture adsorption from ambient air. Exposure to humidity can cause agglomeration, reducing specific surface area from the specified 130-180 m²/g range and compromising dispersion quality in solvents.
The A30 Multi-Walled Carbon Nanotubes (10-30nm diameter, ≤10μm length) deliver high purity (≥99.5%) and low metallic impurities (<200 ppm Fe, <500 ppm Co, <50 ppm Ni), enabling excellent conductivity for high-performance composite and electrochemical applications. However, the inherent moisture content of up to 3500 ppm necessitates controlled storage or pre-drying, and trace catalyst residues may impact ultra-high-purity experiments.
Positive
- High Purity and Low Metal Impurities: With ≥99.5% purity and very low Fe, Co, Ni content (<200 ppm, <500 ppm, <50 ppm respectively), this MWCNT minimizes catalytic interference and enhances electrical conductivity for sensitive research applications.
- Optimized Specific Surface Area for Dispersion: The specific surface area of 130-180 m²/g, combined with tube diameter of 10-30nm and length ≤10μm, provides a favorable aspect ratio for uniform dispersion in polymer and composite matrices, improving mechanical and conductive properties.
Trade-offs
- Moisture Content Requires Controlled Storage: The specified moisture content of <3500 ppm (0.35 wt%) demands storage in dry, sealed containers or pre-drying prior to use in moisture-sensitive formulations to prevent agglomeration or compromised interfacial bonding.
- Residual Catalyst Metals May Affect Purity-Sensitive Studies: Despite low levels, the presence of Fe (<200 ppm), Co (<500 ppm), and Ni (<50 ppm) can introduce unintended catalytic activity or electronic doping effects in ultra-high-purity electrochemical or semiconductor research contexts.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
