Quarried Dolomite for Glass Manufacturing from Canada
High-purity dolomite blocks for flat glass production, delivered raw without calcining. Covered by HTS 2518.10.00.00 as not calcined or sintered dolomite in block form.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Glass-grade purity specs (>18% MgO) documentation supports specialized classification
• Prevent contamination during shipping to maintain chemical purity claims