Tungsten Nitride WN Powder from Germany
Tungsten nitride (WN) powder serves as a diffusion barrier in semiconductor manufacturing and decorative coatings. It qualifies for HTS 2850.00.10.00 as a chemically defined nitride of tungsten, not a carbide. The material offers high hardness and corrosion resistance.
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
• Include nitrogen content certification (>10% wt) to distinguish from pure tungsten metal
• Declare as UN3077 environmentally hazardous if particle size <100μm per IMDG regulations
• Watch for anti-dumping duties on Chinese-origin refractory metal compounds