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HTS 2529Feldspar; leucite, nepheline and nepheline syenite; fluorspar

Product or HTS code

Rate lines5

Code	Description	General	Special	Column 2	Units	Calculate
2529.10.00.00	2529.10.00.00FeldsparGeneral Free · Column 2 49¢/t · t	Free		49¢/t	t
	Fluorspar
2529.21.00.00	2529.21.00.00Containing by weight 97 percent or less of calcium fluorideGeneral Free · Column 2 13.5% · t	Free		13.5%	t
2529.22.00.00	2529.22.00.00Containing by weight more than 97 percent of calcium fluorideGeneral Free · Column 2 $5.51/t · t	Free		$5.51/t	t
2529.30.00	2529.30.00Leucite; nepheline and nepheline syeniteGeneral Free · Column 2 Free	Free		Free
2529.30.00.10	2529.30.00.10Nepheline syeniteGeneral Free · Column 2 Free · t	Free		Free	t
2529.30.00.50	2529.30.00.50OtherGeneral Free · Column 2 Free · t	Free		Free	t

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Mexico46.73% of imports	Canada35.25% of imports	South Africa8.91% of imports	China2.56% of imports	Mongolia2.05% of imports	Türkiye1.78% of imports	Thailand1.6% of imports	Spain0.29% of imports	Pakistan0.26% of imports	Norway0.18% of imports
2529.10.00.00Feldspar	10%9903.05.55	10%9903.05.29	12.5%9903.05.69	37.5%9903.05.319903.88.03	0%	12.5%9903.05.79	12.5%9903.05.77	10%9903.05.39	10%9903.05.62	12.5%9903.05.60
2529.21.00.00Containing by weight 97 percent or less of calcium fluoride	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2529.22.00.00Containing by weight more than 97 percent of calcium fluoride	0%	0%	0%	0%	0%	0%	0%	0%	0%	0%
2529.30.00.10Nepheline syenite	10%9903.05.55	10%9903.05.29	12.5%9903.05.69	37.5%9903.05.319903.88.03	0%	12.5%9903.05.79	12.5%9903.05.77	10%9903.05.39	10%9903.05.62	12.5%9903.05.60
2529.30.00.50Other	10%9903.05.55	10%9903.05.29	12.5%9903.05.69	37.5%9903.05.319903.88.03	0%	12.5%9903.05.79	12.5%9903.05.77	10%9903.05.39	10%9903.05.62	12.5%9903.05.60

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).