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2850.00.10.00/Tungsten Boride WB2/Japan

Tungsten Boride WB2 from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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