28.15-Sodium hydroxide (caustic soda); potassium hydroxide (caustic

2025 Canada Customs Tariff and excise; Imports; Exports; chapter-by-chapter (T2025 2025-01-01)

HTS Code	28.15
Description of Goods	Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.
Unit of Meas
MFN Tariff
General Tariff
Applicable Preferential Tariffs

Related Information

Section VI:

Products of the Chemical or Allied Industries

Chapter 28

- Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
1. Chemical elements
2. Inorganic acids and inorganic oxygen compounds of non-metals
3. Halogen or sulphur compounds of non-metals
4. Inorganic bases and oxides, hydroxides and peroxides of metals
5. Salts and peroxysalts, of inorganic acids and metals
6. Miscellaneous

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