</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Polystyrene Sign Board Sheet from Japan

Large, flat polystyrene sheets designed for outdoor signage, noncellular and not reinforced. Falls under HTS 3920.30.00.00 as plates of styrene polymers, ideal for printing and cutting. Pure polystyrene composition ensures correct heading per polymer notes.

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%

Import Tips

Include material safety data sheets (MSDS) confirming 95%+ polystyrene content

Check for UV stabilizers; chemical mods stay under styrene unless specified otherwise