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
2833.40     Peroxosulfates (persulfates): --
2833.40.20.00 3.7%  The duty provided in the applicable subheading + 25%  Of sodium vs-283340
2833.40.60 3.1%  The duty provided in the applicable subheading + 25%  Other vs-2833402000
2833.40.60.10 3.1%  The duty provided in the applicable subheading + 25%  Of potassium vs-28334060
2833.40.60.20 3.1%  The duty provided in the applicable subheading + 25%  Of ammonium vs-2833406010
2833.40.60.50 3.1%  The duty provided in the applicable subheading + 25%  Other vs-2833406020
2834     Nitrites; nitrates: vs-2833406050
2834.10     Nitrites: vs-2834
2834.10.10.00 5.5%  The duty provided in the applicable subheading + 25%  Of sodium vs-283410
2834.10.50.00 3.1%  The duty provided in the applicable subheading + 25%  Other
Nitrates:
vs-2834101000
2834.21.00.00 Free  The duty provided in the applicable subheading + 25%  Of potassium vs-2834105000
2834.29     Other: vs-2834210000
2834.29.05.00 5.5%  The duty provided in the applicable subheading + 25%  Of bismuth vs-283429
2834.29.10.00 Free  The duty provided in the applicable subheading + 25%  Of calcium vs-2834290500
2834.29.20.00 4.2%  The duty provided in the applicable subheading + 25%  Of strontium vs-2834291000
2834.29.51.00 3.5%  The duty provided in the applicable subheading + 25%  Other vs-2834292000
2835     Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: vs-2834295100
2835.10.00.00 3.1%  The duty provided in the applicable subheading + 25%  Phosphinates (hypophosphites) and phosphonates (phosphites)
Phosphates:
vs-2835
2835.22.00.00 1.4%  The duty provided in the applicable subheading + 25%  Of mono- or disodium vs-2835100000
2835.24.00.00 3.1%  The duty provided in the applicable subheading + 25%  Of potassium vs-2835220000