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Magnesium Tungstate from China

Magnesium tungstate (MgWO4) is a crystalline salt employed in scintillation detectors and phosphors, classified as other tungstates in HTS 2841.80.0050. It is a simple oxometallic salt excluded from other chapters.

Duty Rate — China → United States

30.5%

Rate breakdown

9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter

Import Tips

• Provide crystallographic data if challenged on 'chemically defined' status

• Separate from magnesium oxide mixtures (excluded to Section V)

• Document non-fire-extinguisher use to stay out of 3813