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3903.90.50.00/Expandable Polystyrene EPS Beads F400/Japan

Expandable Polystyrene EPS Beads F400 from Japan

EPS F400 consists of polystyrene beads impregnated with pentane blowing agent, with styrene monomer >95% by weight in primary bead form. It is classified under HTS 3903.90.5000 as 'Other' polymers of styrene in primary forms. Subheading note (a)(1) applies as it is not chemically modified or a named copolymer.

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%
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Import Tips

• Include blowing agent specs in documentation to confirm primary form status under Chapter 39

• Verify no 'household article' features to avoid 3924; EPS beads are industrial raw material

Expandable Polystyrene EPS Beads F400 from Japan — Import Duty Rate | HTS 3903.90.50.00