Liquid Butyl Rubber for Sealants from Mexico
Low-viscosity liquid IIR for sealant formulations, in drums. HTS 4002.31.00.00 as primary liquid form of butyl rubber, uncompounded.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Viscosity and stability certificates required
• Segregate from finished sealants to avoid chapter 32/35
• Spill containment plans for liquid imports