Synthetic Manganese(IV) Oxide for Ceramics from United States
Synthetic manganese(IV) oxide (MnO2) for ceramics is a manufactured form of manganese dioxide used as a colorant and flux in ceramic glazes and tiles, imparting black-brown hues. It is a chemically defined inorganic oxide, not excluded by Chapter 28 notes. It is classified under tariff item 2820.90.00 as other manganese oxides, as it is not a natural product of Section V.
Duty Rate — United States → Canada
0%
Import Tips
• Clearly label the product as synthetic manganese dioxide to distinguish it from natural ores, which may fall under Chapter 26
• Provide the chemical composition and CAS number on the invoice
• If the product is mixed with other metal oxides for glaze preparation, it may be classified as a preparation under Chapter 32