Natural Chalk for Soil Amendment from Mexico
Granular or powdered natural chalk applied to acidic soils to raise pH levels in agriculture. Classified as 'other' chalk in HTS 2509.00.20.00 for its raw mineral state.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include agricultural use declaration and soil test compatibility; ensure no fertilizer additives to avoid Chapter 31; label particle size for application verification