Tungsten Molybdate Catalyst Precursor from Germany
Ammonium metatungstate and molybdate blend serving as precursor for hydrodesulfurization catalysts in oil refining. Inorganic salts mixture activated at high temperatures. Fits 3824.99.3500 as unspecified tungsten inorganic mixtures.
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
• Certify as catalyst precursor with activation process details for proper heading
• Monitor REACH-like restrictions on molybdenum-tungsten compounds
• Package in moisture-proof containers to maintain mixture stability during import