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Harmonized Tariff Schedule (2025 HTS Revision 21 (08/29/2025))

Heading	Duty(general)	Article Description	Compare Code
2804.50.00	Free	Boron; tellurium	--
2804.50.00.10	Free	Boron	vs-28045000
2810.00.00.00	1.5%	Oxides of boron; boric acids	vs-2804500010
2845.20.00.00	Free	Boron enriched in boron-10 and its compounds	vs-2810000000
2849.90.10.00	3.7%	Of boron	vs-2845200000
8505.11.00.70	2.1%	Sintered neodymium-iron-boron	vs-2849901000
9902.08.96	Free	Fritted barium borosilicate glass with a mean particle size between 0.4 and 10 microns, Young's modulus of 71GPa, a density of 2.8 grams per cubic centimeter, radiopacity of 4.2, a refractive index of 1.53, and chemical composition of 55 percent silicon dioxide, 25 percent barium oxide, 10 percent boron trioxide and 10 percent aluminum oxide by weight (provided for in subheading 3207.40.10)	vs-8505110070