NOW FOR USA HTS Harmonized Tariff Schedule (2024 HTS Revision 1)
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Harmonized Tariff Schedule (2024 HTS Revision 1)

Heading Duty(general) Duty(china) Article Description Compare Code
2815     Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium:
Sodium hydroxide (Caustic soda):
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2815.11.00.00 Free  The duty provided in the applicable subheading + 25%  Solid vs-2815
2815.12.00.00 Free  The duty provided in the applicable subheading + 25%  In aqueous solution (Soda lye or liquid soda) vs-2815110000
2815.20.00 Free  The duty provided in the applicable subheading + 25%  Potassium hydroxide (Caustic potash) vs-2815120000
2815.20.00.50 Free  The duty provided in the applicable subheading + 25%  In solid form vs-28152000
2815.20.00.90 Free  The duty provided in the applicable subheading + 25%  Other vs-2815200050
2815.30.00.00 3.7%  The duty provided in the applicable subheading + 25%  Peroxides of sodium or potassium vs-2815200090