3815.90.10.00/Tungsten Phosphide Hydrogenation Catalyst/Japan

Tungsten Phosphide Hydrogenation Catalyst from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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