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
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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