Hypalon CSM Foam Rubber Sheet from Mexico
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 — Mexico → United States
13.3%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Synthetic rubber verification essential for CSM classification
• Chemical resistance certs aid customs
• No fillers beyond note allowances