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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Crystal structure analysis for dental grade suitability
• Microbiological testing standard for oral applications
• Precise sizing for consistent calcining yields