VAMMA Copolymer Beads (Vinyl Acetate-Methyl Methacrylate) from Canada
Bead-form copolymer with 52% vinyl acetate and methyl methacrylate for optical coatings. HTS 3905.91.10.00 due to vinyl acetate derivative weight majority in primary beads. Used in specialty paints and inks.
Duty Rate — Canada → United States
14%
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
• Use GPC testing to document molecular weight and monomer ratios for CBP verification
• Distinguish from methacrylates; VA must predominate or reclassifies to 3906 series