Synthetic Spherical Graphite with Carbon Nanotube Surface Modification

Artificial graphite spheres partially covered with vapor-deposited carbon nanotubes for improved electrical conductivity in battery anodes. HTS 3801.10.5010 covers this surface-modified form of artificial graphite used in semi-manufactured state. CNT layer enhances rate capability without altering core graphite structure.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3802.90.50Higher: 39.8% vs 35%

If activated carbon content dominates

If CNT surface area creates activated carbon properties, shifts to carbon chapter.

9001.10.00Higher: 41.7% vs 35%

If optical grade with high purity specs

Ultra-high purity spherical graphite for optical coating applications may classify under optical elements.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

TEM cross-section images required to prove surface-only CNT modification vs. bulk composite

Carbon content analysis must show >95% graphite to avoid reclassification as polymer composite

Nanomaterial reporting under TSCA may apply; check supplier's SNUR status

Related Products under HTS 3801.10.50.10

Surface-Modified Spherical Graphite Powder for Lithium-Ion Batteries

This is high-purity artificial graphite processed into spherical particles with surface modification to enhance electrolyte compatibility and SEI layer formation in lithium-ion battery anodes. It falls under HTS 3801.10.5010 as 'surface-modified spherical graphite,' a semi-manufactured form of artificial graphite optimized for battery applications. The spherical morphology and surface treatment distinguish it from standard graphite powders.

Pitch-Coated Spherical Graphite for Anode Materials

Spherical artificial graphite particles coated with petroleum pitch to improve coating uniformity and capacity retention in EV battery anodes. Classified under HTS 3801.10.5010 due to its surface modification and semi-manufactured state for further electrode processing. The coating prevents direct electrolyte contact and enhances electrochemical performance.

Low-Surface-Area Modified Graphite Spheres for Fast-Charging Anodes

Spherical graphite with proprietary silane surface treatment achieving <1.5 m²/g BET surface area for reduced SEI formation in fast-charging lithium batteries. Falls under HTS 3801.10.5010 as surface-modified artificial graphite powder. Treatment minimizes irreversible capacity loss during high-rate cycling.

High-Capacity Spherical Graphite with Doped Surface Layer

Artificial graphite spheres surface-doped with nitrogen or boron compounds to boost reversible capacity above 360 mAh/g for high-energy-density batteries. HTS 3801.10.5010 applies as surface-modified artificial graphite in powder form for semi-manufactured battery production. Doping alters surface chemistry without changing bulk structure.