Anhydrite Mineral from Japan
Natural anhydrite (calcium sulfate without water of crystallization) mined as a rock or powder. Directly covered by HTS 2520.10.00.00 alongside gypsum, used in cement production and as a drying agent. Distinguished from gypsum by lower water content.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Chemical assay reports mandatory to confirm anhydrous CaSO4 composition versus hydrated gypsum
• Declare exact water content (<1.5%) to support anhydrite classification over gypsum
• Bulk shipping in ventilated containers to manage any residual moisture absorption