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3815.90.10.00/Tungsten Phosphide Hydrogenation Catalyst/Mexico

Tungsten Phosphide Hydrogenation Catalyst from Mexico

WP nanoparticles emerging as non-noble metal catalyst for hydrodeoxygenation of pyrolysis oils. Inorganic tungsten phosphide under HTS 3815.90.1000 for reaction initiation. High activity rivals traditional sulfide catalysts.

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

• TEM/SEM images showing nanoparticle morphology (<20 nm) for activity proof

• Hydrogenation performance data distinguishing from wear-resistant phosphides

• Phosphorus assay confirming stoichiometric WP composition

Tungsten Phosphide Hydrogenation Catalyst from Mexico — Import Duty Rate | HTS 3815.90.10.00