Commercial Cobalt Tetroxide for Porcelain Glazes from Canada
Commercial-grade Co3O4 powder specifically formulated for imparting blue coloration to ceramic glazes and porcelain enamels. Classified under HTS 2822.00.0010 as it is a chemically defined cobalt oxide used in industrial pigment applications. Provides durable pigmentation resistant to high firing temperatures.
Duty Rate — Canada → United States
0.1%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Require supplier test reports confirming Co3O4 composition >98%; label as 'not for food contact' to avoid FDA scrutiny
• Pitfall: bulk mixtures may classify as preparations (3824)