Tungsten Boride WB2 from Mexico
Tungsten diboride (WB2) is an ultra-hard ceramic material used in wear-resistant coatings and cutting tools. Classified under HTS 2850.00.10.00 as a boride of tungsten, meeting chemically defined criteria. It exhibits high melting point and chemical stability for extreme environments.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide XRF or ICP analysis confirming tungsten-boron stoichiometry to validate subheading 2850.00.10
• Avoid bulk packaging over 25kg which may trigger hazardous material shipping declarations
• Confirm not mixed with carbon binders, as carbide exclusions apply per heading 2849