Calcite Powder Precipitated Grade from Japan
Synthetic calcite powder produced by carbonation process, chemically equivalent to natural calcite but purer, under HTS 2836.50.00.00. Applications in toothpaste abrasives and optical coatings.
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
• Document carbonation production method to distinguish from natural grinding
• Provide refractive index (1.658) certification for optical grade validation
• Comply with Colgate/P&G specs for toothpaste-grade abrasivity limits