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3903.90.50.00/Flame Retardant Polystyrene FRPS V0/Japan

Flame Retardant Polystyrene FRPS V0 from Japan

FRPS V0 is polystyrene resin with halogen-free flame retardants, styrene monomer contributing >95% polymer weight in primary form. HTS 3903.90.5000 as 'Other' styrene polymers; retardants treated as additives per notes. Used in electrical components.

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

• Declare flame retardant as non-polymer additive to avoid chemical modification reclassification

• Comply with TSCA for flame retardant chemicals in polymer imports