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Tungsten Hydride WH Powder from Germany

Tungsten hydride powder functions as a hydrogen storage material and catalyst precursor in chemical synthesis. It is classified under HTS 2850.00.10.00 as a hydride of tungsten per the heading scope for chemically defined compounds. The metastable compound decomposes at moderate temperatures.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• Ship under proper pyrophoric solid precautions (UN3138) due to spontaneous ignition risk

• Require stability data showing hydride formation vs adsorbed hydrogen on tungsten

• EU import notification required for nano-hydrides under REACH Annex XVII