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3903.90.50.00/Injection Molding Polystyrene IMP 350/Japan

Injection Molding Polystyrene IMP 350 from Japan

IMP 350 polystyrene is high-flow resin for precision injection molding, styrene >95% by weight in primary pellet form. Classifies HTS 3903.90.5000 'Other' per note (a)(1), used in medical device 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

• Provide mold shrinkage data to support material specs for CBP verification

• Ensure FDA compliance labeling if for food/medical contact

Injection Molding Polystyrene IMP 350 from Japan — Import Duty Rate | HTS 3903.90.50.00