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3815.90.10.00/Tungsten Disulfide Solid Lubricant Catalyst/Mexico

Tungsten Disulfide Solid Lubricant Catalyst from Mexico

WS2 nanoparticles functioning as both solid lubricant and catalyst in tribochemical reactions. Inorganic tungsten compound classified under HTS 3815.90.1000 for reaction acceleration properties. Used in aerospace and high-vacuum applications.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Raman spectroscopy confirming 2H-WS2 phase essential for classification

• Include friction coefficient data demonstrating catalytic wear reduction mechanism

• Distinguish from pigment uses through application-specific technical literature

Tungsten Disulfide Solid Lubricant Catalyst from Mexico — Import Duty Rate | HTS 3815.90.10.00