Tetrabromobisphenol A Technical Grade 99% from Canada
Technical grade Tetrabromobisphenol A with 99% purity is a white to off-white powder used as a reactive flame retardant in epoxy resins for printed circuit boards. Classified under HTS 2908.19.25.00 as it matches the chemical definition of a halogen-only substituted phenol derivative, even with minor impurities allowed by Chapter 29 notes. Essential for electronics industry fire retardancy.
Duty Rate — Canada → United States
Rate breakdown
Import Tips
• Include certificate of analysis confirming ≥99% TBBA content to prevent disputes over impurity levels affecting Chapter 29 classification
• Comply with TSCA Premanufacture Notice if aggregate imports exceed reporting thresholds; maintain records for 5 years
• Avoid packaging that suggests retail sale, which could trigger reclassification under preparations in heading 3824