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Harmonized Tariff Schedule (2026 HTS Revision 4 (02/25/2026))

Heading	Duty(general)	Duty(china)	Article Description	Compare Code
6815.91.00	Free	The duty provided in the applicable subheading + 25%	Containing magnesite, magnesia in the form of periclase, dolomite including in the form of dolime, or chromite	--
6815.91.00.11	Free	The duty provided in the applicable subheading + 25%	Containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch	vs-68159100
6815.91.00.71	Free	The duty provided in the applicable subheading + 25%	Other	vs-6815910011