Mullite-Forming Kyanite Concentrate from Canada
Beneficiated kyanite concentrate selected for optimal mullite formation during firing, 99%+ purity. Falls under HTS 2508.50.00.00 as processed but uncalcined kyanite per Chapter 25 definitions.
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
• Magnetic separation records prove beneficiation without chemical change
• Specify 'not fused' to avoid 2529 fused mullite confusion
• Thermal analysis curves (DTA/TGA) support classification claims