Nano Calcium Carbonate from Japan
Nano-sized calcium carbonate particles (1-100 nm) produced via precipitation for high-performance applications, classified as calcium carbonate under HTS 2836.50.00.00. Used in tire rubber reinforcement, coatings, and advanced composites.
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
• Include SEM/TEM analysis proving nanoscale dimensions to justify premium classification
• Declare surface treatment agents separately if >5% by weight to avoid mixture reclassification
• Comply with TSCA pre-notice for novel nanomaterials entering US commerce