Resorcinol Bis(diphenyl Phosphate) from Canada
RDP is a halogen-free flame retardant derived from resorcinol and phenyl phosphates for engineering plastics. Falls under HTS 2920.90.2000 as aromatic phosphoric acid ester per numerical order rule. High thermal stability for polycarbonate applications.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify oligomer content; high molecular weight versions may face mixture classification
• Engineering plastic manufacturers need consistent purity (>97%) for classification