Tungsten Hydride WH Powder from Canada
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 — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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