Tetracalcium Phosphate (TTCP) for Biomedical Use from Japan
Tetracalcium phosphate is a high-calcium phosphate phase used in bone cements and dental restoratives, classified under HTS 2835.26.00.00 as other calcium phosphates. It reacts to form hydroxyapatite in vivo.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• ISO 13485 cert for medical device components; bio-compatibility testing docs essential
• Classify as chemical, not finished device, to avoid Chapter 90
• Sterility validation for pharma imports; high purity (>98%) prevents reclass