</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
4008.11.50.00/Hypalon CSM Foam Rubber Sheet/Japan

Hypalon CSM Foam Rubber Sheet from Japan

Chlorosulfonated polyethylene (CSM/Hypalon) foam sheet, cellular vulcanized for chemical resistance. Under 4008.11.5000 as other cellular rubber sheets. Used in harsh industrial environments.

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%
Calculate with your customs valueVerify classification with AI

Import Tips

• Synthetic rubber verification essential for CSM classification

• Chemical resistance certs aid customs

• No fillers beyond note allowances