Tungsten Phosphide Hydrogenation Catalyst from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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