NOW FOR USA HTS Harmonized Tariff Schedule (2025 Basic Edition)
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Harmonized Tariff Schedule (2025 Basic Edition)

Heading Duty(general) Duty(china) Article Description Compare Code
2830     Sulfides; polysulfides, whether or not chemically defined: --
2830.10.00.00 3.7%  The duty provided in the applicable subheading + 25%  Sodium sulfides vs-2830
2830.90     Other: vs-2830100000
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-283090
2830.90.15.00 2.8%  The duty provided in the applicable subheading + 25%  Other zinc sulfide vs-2830901000
2830.90.20.00 3.1%  The duty provided in the applicable subheading + 25%  Cadmium sulfide vs-2830901500
2830.90.90.00 3%  The duty provided in the applicable subheading + 25%  Other vs-2830902000
2831     Dithionites and sulfoxylates: vs-2830909000
2831.10     Of sodium: vs-2831
2831.10.10.00 Free  The duty provided in the applicable subheading + 25%  Sodium formaldehyde sulfoxylate vs-283110
2831.10.50.00 5.5%  The duty provided in the applicable subheading + 25%  Other vs-2831101000
2831.90.00.00 5.5%  The duty provided in the applicable subheading + 25%  Other vs-2831105000
2832     Sulfites; thiosulfates: vs-2831900000
2832.10.00.00 1.5%  The duty provided in the applicable subheading + 25%  Sodium sulfites vs-2832
2832.20.00.00 3.1%  The duty provided in the applicable subheading + 25%  Other sulfites vs-2832100000
2832.30     Thiosulfates: vs-2832200000
2832.30.10.00 1.5%  The duty provided in the applicable subheading + 25%  Sodium thiosulfate vs-283230
2832.30.50.00 3.1%  The duty provided in the applicable subheading + 25%  Other vs-2832301000
2833     Sulfates; alums; peroxosulfates (persulfates):
Sodium sulfates:
vs-2832305000
2833.11     Disodium sulfate: vs-2833