Ground Calcium Carbonate (GCC) Powder from Canada
Ground calcium carbonate is a micronized powder derived from high-purity limestone, meeting the definition of calcium carbonate under HTS 2836.50.00.00 when chemically processed. Used in pharmaceuticals, food supplements, and as an antacid.
Duty Rate — Canada → United States
10%
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
• Obtain particle size distribution and whiteness index certifications to support fine-ground classification
• For food/pharma grades, include FDA compliance docs and heavy metal test results
• Avoid bulk shipments without proper segregation to prevent contamination claims