VAMMA Copolymer Beads (Vinyl Acetate-Methyl Methacrylate) from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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