3906.90.50.00/Acrylic Impact Modifier Pellets MBAM/Mexico

Acrylic Impact Modifier Pellets MBAM from Mexico

Methyl methacrylate-butadiene-acrylate-methyl methacrylate (MBAM) copolymer pellets used to toughen PVC. HTS 3906.90.5000 applies as acrylic copolymer with predominant acrylic monomers per classification rules.

Duty Rate — Mexico → United States

14.2%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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Import Tips

• Document core-shell morphology via TEM images if challenged on copolymer structure

• Clearly distinguish from finished PVC compounds (Chapter 39 heading 3904)

• Masterbatch containing >50% carrier resin may classify as polymer blend