2825.90.30.00/Tungsten Blue Oxide (W20O58)/Canada

Tungsten Blue Oxide (W20O58) from Canada

Tungsten blue oxide, a mixed-valence WO2.9 equivalent (W20O58), used as APT reduction intermediate for tungsten carbide production. Classified in HTS 2825.90.30.00 as it qualifies as chemically defined tungsten oxides per subheading note. Widely traded form in the tungsten supply chain.

Duty Rate — Canada → United States

5.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Specify exact stoichiometry (W20O58) and reduction equivalent on invoice to match statistical reporting

• Monitor tungsten quota restrictions; obtain import licenses if applicable for strategic materials

• Test for moisture content as it affects weight declaration and duty calculation

Tungsten Blue Oxide (W20O58) from Canada — Import Duty Rate | HTS 2825.90.30.00