Dentstone Gypsum Rock from Mexico
Specialty gypsum ore for dental stone production, high strength precursor. Remains HTS 2520.10.00.00 until calcined into alpha hemihydrate. Selected for uniform crystals.
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
• Crystal structure analysis for dental grade suitability
• Microbiological testing standard for oral applications
• Precise sizing for consistent calcining yields