Cobalt Tetroxide Black Pigment for Glass Manufacturing from United States
Synthetic black cobalt(II,III) oxide pigment powder for glass coloring is a chemically defined Co3O4. It falls under the tariff item as a cobalt oxide, meeting Chapter 28's criteria. The chapter notes do not exclude it, and it is not a prepared pigment.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is a pure oxide, not a prepared pigment, to avoid reclassification under Chapter 32
• Provide a certificate of analysis and declare the end use (glass manufacturing)
• Keep technical datasheets for CBSA verification