Tetracalcium Phosphate (TTCP) for Biomedical Use from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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