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

HTS Code 28.16 28.18
Description of Goods Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium. Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide.
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