Silicon Dioxide (Amorphous Silica) from Canada
Amorphous silicon dioxide, also known as synthetic silica, is a chemically defined inorganic oxygen compound of the nonmetal silicon. It falls under HTS 2811.29.5000 as 'other inorganic oxygen compounds of nonmetals' excluding specified compounds like carbon oxides. Used as a filler in rubber, plastics, and pharmaceuticals.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide Certificate of Analysis (COA) confirming purity and amorphous structure to avoid misclassification as quartz
• Ensure proper labeling as non-hazardous if particle size exceeds respirable limits; comply with TSCA registration
• Verify bulk packaging doesn't trigger 3824 classification for mixtures