Dentstone Gypsum Rock from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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