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Harmonized Tariff Schedule (2025 HTS Revision 22 (09/09/2025))

Search Key:metallurgical grade silicon

Heading Duty(general) Duty(china) Article Description Compare Code
1001.19.00.51 0.65¢/kg The duty provided in the applicable subheading + 7.5% Grade 1 --
1507.90.20.00 Free The duty provided in the applicable subheading + 7.5% Pharmaceutical Grade meeting FDA requirements for use in intravenous fat emulsions, valued over $5/kg vs-1001190051
2606.00.00.30 Free Refractory grade vs-1507902000
2701.12.00.10 Free The duty provided in the applicable subheading + 25% Metallurgical coal vs-2606000030
2710.19.45.30 10.5¢/bbl The duty provided in the applicable subheading + 25% Medicinal grade vs-2701120010
2804.50.00.20 Free The duty provided in the applicable subheading + 25% Tellurium
Silicon:
vs-2710194530
2809.20.00 Free The duty provided in the applicable subheading + 25% Phosphoric acid and polyphosphoric acids
Phosphoric acid:
Fertilizer grade:
vs-2804500020
2811.22 Silicon dioxide: vs-28092000
2830.90.10.00 Free The duty provided in the applicable subheading + 25% Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight vs-281122
2836.91.00.10 3.7% The duty provided in the applicable subheading + 25% U.S.P. grade vs-2830901000
2849.20 Of silicon: vs-2836910010
2907.22.10.00 5.5% The duty provided in the applicable subheading + 25% Photographic grade vs-284920
2912.29.30.00 Free The duty provided in the applicable subheading + 25% 3,4-Dimethylbenzaldehyde; Paraldehyde, USP grade; andp-Tolualdehyde vs-2907221000
2923.20.10.00 Free The duty provided in the applicable subheading + 25% Purified egg phospholipids, pharmaceutical grade meeting requirements of the U.S. Food and Drug Administration, for use in intravenous fat emulsion vs-2912293000
2931.90.90.10 3.7% The duty provided in the applicable subheading + 25% Organo-silicon compounds
Organo-tin compounds:
vs-2923201000
2936.29.16.10 Free Pharmaceutical grade vs-2931909010
3910.00.00.00 3% The duty provided in the applicable subheading + 25% Silicones in primary forms vs-2936291610
4001.21.00.10 Free The duty provided in the applicable subheading + 25% Grade 1 vs-3910000000
4707.20.00.20 Free The duty provided in the applicable subheading + 25% High-grade deinking paper and paperboard vs-4001210010
7202.19.50.00 1.4% The duty provided in the applicable subheading + 25% Containing by weight more than 1 percent but not more than 2 percent of carbon
Ferrosilicon:
vs-4707200020