Dentstone Gypsum Rock from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Crystal structure analysis for dental grade suitability
• Microbiological testing standard for oral applications
• Precise sizing for consistent calcining yields