Acrylic Impact Modifier Pellets MBAM from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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