Spray-Dried Urea Formaldehyde Microcapsules from Canada
Microencapsulated urea-formaldehyde resin in primary powder form for controlled-release applications in inks and fragrances. Still HTS 3909.10.00.00 as chemically unmodified polymer shell (>95% content). Particle size 1-50 microns enables precise encapsulation.
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
• Prove shell is unmodified polymer via FTIR analysis; specify core content <5% total weight; use anti-static packaging to prevent agglomeration