Sodium Perborate Accelerator from Canada
Anhydrous sodium perborate used as oxygen bleach catalyst in epoxy resin curing. Falls under HTS 3815.90.3000 as a wholly inorganic reaction accelerator for industrial coatings.
Duty Rate — Canada → United States
10%
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
• DOT classification as oxidizer requires proper hazmat shipping declarations
• Confirm bleaching vs catalytic end-use with technical literature for CBP review
• Moisture content testing prevents reclassification as unstable preparations