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Harmonized Tariff Schedule (2025 HTS Revision 18 (08/06/2025))

Heading	Duty(general)	Article Description	Compare Code
2917.39		Other:	--
2917.39.04.00	6.5%	1,2,4-Benzenetricarboxylic acid, 1,2-dianhydride (Trimellitic anhydride); Phthalic acid; and 4-Sulfo-1,8-naphthalic anhydride	vs-291739
2917.39.08.00	Free	Naphthalic anhydride	vs-2917390400
2917.39.12.00	Free	4,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride)	vs-2917390800
2917.39.15.00	6.5%	Isophthalic acid	vs-2917391200
2917.39.17.00	6.5%	Tetrabromophthalic anhydride Other:	vs-2917391500
2917.39.20.00	6.5%	Plasticizers Other:	vs-2917391700
2917.39.30.00	6.5%	Products described in additional U.S. note 3 to section VI	vs-2917392000
2917.39.70.00	6.5%	Other	vs-2917393000